8 million pounds of. Scudder January 13, 2008, 7:27pm 7. Many factors affect horsepower. B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required. 4 = 193. Question: Question 14 options: A 3000-lb passenger car is travelling at 64 mph on a level section of the highway. 8 million pounds of force to release in a crash. Determine the force applied to slow the car. To determine how far the vehicle will travel while braking, use the formula of 1/2 the initial velocity multiplied by the time required to stop. If the car's speed doubles, how much. 0 seconds it is at 10,000 ft, traveling at 3600 mph. In a 30 mph crash, a 100 pound adult becomes a 3,000 pound force against the child. 2,096 ft-lb. 6 * 60 = 2 ds/dt. An airplane flies 12 m/s due north with a velocity of 35. The FBD is already given. driving head-on into the Vehicle Research Center’s 320,000 pound. 5 seconds and through the quarter-mile in 11. 8 billion gals. This is further explained below. 8 million pounds of force to release in a crash? X plus 10 plus 3x plus 14 equals 180? What is the closest estimate of 6 plus 2? How much times does 8 go into 20? How do you convert 0. The total momentum of the ball is zero. A 3000 pound car traveling 70 mph . e. TRUE. The log B is traveling at 12 mph in the opposite direction of the truck. e. Math Statistics and ProbabilityThe statement "a 3,000 pound car traveling at 70 mph has 15. At 55 mph, it only takes _____ of water for tires to lose contact with the road. Dividing these numbers will. Assuming that the entire swarm sticks to the truck, the mass of each mosquito is 2 mg, and that all of these mosquitoes do not. 70 mph: 70 feet: 245 feet: 315 feet (USA = “Touchdown !”) 80 mph: 80 feet: 320 feet. Rating. Imagine this: A 60 pound unbelted child in the back seat of a car traveling at a mere 30 miles per hour is involved in a sudden collision can weigh as much as a young elephant -- about 2,700 pounds. The calculator can use any two of the values to calculate the third. ) TRUE B. First, subtract the time spent at the train stops: 2. Since 1 lb = 4. When a car crashes, the impact can create a tremendous amount of energy, equal to 15. e. Here (kg) is the weight of the car plus passengers in kilograms (pounds divided by 2. Previous question Next question. 4 = 154 N. 7 feet per second. 2 percent increase in mean vehicle speed, IIHS found. From table (2. To convert between miles per hour (mph) and feet per second (ft/sec): V (mph) = V (ft/sec) * 0. 26 pounds-force in 1kN. 1 pound-force is the gravitational force exerted by the Earth on a mass of 1 pound. Study with Quizlet and memorize flashcards containing terms like At 60 mph, on dry pavement, the vehicle-braking distance for a 3000 pound vehicle to come to a stop is a. A car is traveling on a paved road with CD = 0. m c. This calculator computes the estimated engine or motor horsepower from the elapsed time. Question: 2. The acceleration due to gravity is 32. Then you need to know the travel time. 924 Joules. The average car driving at 20 mph will travel 20 feet before coming to a complete stop, however a car travelling at 40 mph will take 80 ft to come to a stop – that’s why it’s SO important not to exceed the speed limit. 70 g after the brakes are applied. Problem 15. For example, 1 mile per hour can be written as 1 mph, 1 mi/h, or 1 MPH. 4. 1/4 inch d. The 3000-lb car is traveling at 60 mi/hr on the straight portion of the road, and then its speed is reduced uniformly from A to C, at which point it comes to rest. See answer (1) Best Answer. This answer has been confirmed as correct and helpful. If the total distance travelled was 500 miles and the time it took you was 5 hours, then your average speed was 500 / 5 = 100 miles per hour (mph). , Which has greater kinetic energy, a car traveling at 30 km/h or a half-as-massive car traveling at 60 km/h? The 60 km/h car Both have the same kinetic energy. A three thousand-pound car traveling at 70 mph has 15. 100% (1 rating) Transcribed image text: Problem 2: The car A has weight of 3000 lb and is traveling to right at 5 ft/s. 5 * 88 * 4. 36° C) 33. Method I:The motorcycle is travelling at a relative speed of 70-40 = 30 mph. 8 m/s 2. To calculate the kinetic energy, first convert km/h to meters per second: 40km/h = 11. Click the CALCULATE button and this equals 61. Transcribed image text: 3. 2 kg 30 mph = 13. The impact occurs in 0. 0A 3,000 pound car traveling at 70 MPH has 15. The amount of distance you need to stop the car increases with speed. Question. 8 million pounds of force to release in a crash. Of course, having a GPS reading of the distance would be more precise. "is false. m = mass. the rate, in miles per hour, at which the distance between the cars is changing is. 8 million pounds of forward-moving force to release in the event of a collision. After one second, you're falling 9. Before the collision, the car was traveling southward at 1. 46 seconds to travel the ¼ mile and its top speed (called "trap speed") will be 108. 14275. Updated 9/24/2021 7:16:49 PM. A) 30 mph B) 75 mph C) 45 mph D) 55 mph Q3) On this dangerous road (aka I-91) there is yet another collision, almost the same as the previous one. We need to convert miles per hour into meters per second as this formula, KE = 1/2mV^2, needs to use meters per second. New answers. Step-by-step solution. Since there is a 1 second delay (driver. a. The heavier object will reach. Find the drag force B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine requiredAny average-sized vehicle can easily weigh over 3,000 pounds. The 30 km/h car, Suppose a moving car has 3000 J of kinetic energy. 225 ≈ 266. SEE MORE TEXTBOOKS. 9 lb. To explore the difference between crashing a car at 70 mph and 85 mph, I will use a model. It is unlikely that all the cars and trucks involved in a collision will travel at precisely the same speed, for example, that all three cars in an accident were moving at exactly 30 mph at the time of the crash. Average speed is more accurate to be used to count the time taken for travel because it is count by averaging the minim and maximum speed. A passenger vehicle weighing 4,000 pounds, traveling under ideal conditions at a speed of 65 miles per hour would take 316 feet to stop (nearly the length of a football field). The car can be modeled as a SDOF with a stiffness of 30,000 lb/ft and a damping ratio of 0. After two seconds, you're falling 19. 1 mile per hour = 1. It is struck from behind by a 1000-pound car, driven by a late-for-class professor, traveling at 75 mph. In our 70 mph highway range test, we were. a = mi/h2-150 S. remains constant. NAMI Burn-e 2 MAX –. 125 hp for every pound of car. 8 million pounds of force to release in a crash. After driving through heavy rain or deep puddles, you should always check for _____. 42 mph: 0. from. The '70 VW Beetle may be a primitive car by modern standards, but it's light-years ahead of the 1949 VW Beetle. 3500 ft. B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. 160 feet d. 70 mph = 45 mpg. Car B is traveling at a speed of 75 mph and is decreasing its speed 0. increases. Average reaction time distance at 50 mph would be approximately 83 feet. This calculator makes use of the formula: (2) H P = W e i g h t ( E T ÷ 5. m = mass. 61 mph. DO NOT CONVERT UNITS!Example 1: A 2,000 lb car is traveling at an elevation of 5,000 feet ( = 0. 8 million pounds of forward-moving force to release in the event of a collision. The force generated by a crash depends on several factors, such as the mass of the. What is the momentum of a 3,000 kg truck traveling at 20 m/s (about 45 mph)? What is the magnitude of the momentum of a 7. vehicle braking distance. Compute the total force of a head-on collision between a Ford Pickup going 75 mph and weighing 4,500 pounds (acceleration is 2. It's a unit of speed used to measure the distance covered over a specific period of time (an hour). How long does the trip take to the driver of the car? A truck traveling at 60. 95 miles/min: 58 mph: 0. 25 100 156. In terms of kinetic energy, that translates as 45,464 foot-pounds for a 3400-pound car hitting a stationary obstacle at 20 mph. 405,838 ft-lb. Who are the experts? Experts are tested by Chegg as specialists in their subject area. pounds. 6 * -60 = 2 ds/dt, it would be 1. 002045 slugs/ 3 ) on a concrete surface. 5 ˛ 104 kgoem/s C) 7. The friction force (in lb) between the car and the road while cornering is:Calculate the kinetic energy of a car that weighs 3,000 lb and is traveling with a velocity of 45 mph. 8 million pounds of force to release in a crash. If the same log hits a small car C weighing 3000 lb and. ∙ 2016-06-10 17:27:02. (center of gravity) of the test vehicle is 3. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. 2 , and (b) the work done in stretching the wire, in ft # lb. At first, when the driver applies the brakes, a software flaw causes the anti-lock braking system to fail (brakes work in non-anti-lock mode with 80% efficiency. In the case of the 3,000 pound car traveling at 70 mph, the impact force is equal to 15. 202,919 ft-lb d. F = 640 pounds. m e t e r / s q u a r e s e c o n d. Lastly, don’t forget that when you read the 60-0mph figures in literature for new cars, the automaker is giving you only the braking distance, not the overall stopping distance. 0. write a scenario where an object has an average speed of 5. 5 in. Physics, Mass, Velocity, and Energy Calculator, Ballistics Calculator, grains, grams, ounces, pounds, kilograms, ergs, joules, foot pounds, watts, watt hours, kilotons, megatons. 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). Step 4:. The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin theta , where W is the weight of the car and theta is the angle of the hill's grade ( theta greater than 0 for uphill travel, theta less tha; A 2600-lb car traveling downhill has a grade resistance of -130 lb. Explanation: When a car is traveling at 70 mph, it covers a significant distance before it can come to a full stop. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. Along with values, enter the known units of measure for. 14,373. asked in Jobs & Employment by voice (257k points) jobs-n-employment; education; guide; car; ahead-travelling; force-release; impact; 1 answer. Let the car move along the x axis before. 3. Brenes is controlling. Total perception-reaction time of the driver is 2 sec then begins slowing the vehicle. First, we convert the weight from pounds to. KE. A car traveling at 70 mph will typically travel about 308 feet before coming to a complete stop. A passenger vehicle weighing 4,000 pounds, traveling under ideal conditions at a speed of 65 miles per hour would take 316 feet to stop (nearly the length of a football field). 67 G8% less efficient at 65 MPH (105 km/h) 17% less efficient at 70 MPH (113 km/h) 23% less efficient at 75 MPH (121 km/h) 28% less efficient at 80 MPH (129 km/h). We need force in newtons. wet brakes. 4718 lbs/(mph) 50 newton/(km/h) to lbs/(mph) = 18. The force is in- creased linearly from initially zero to 2500 lb, and the length of the wire increases by 0. A passenger wearing a stretching-style seat belt _ meant to extend the time it takes the person to slow _ during a 30 mph crash is briefly exposed to 20 Gs (or about 3,200 pounds of force on the. F = 312 N. If your car seems to be operating at a higher RPM in such a scenario, it’s better to head to an auto shop and check the engine. ) Assuming that the entire swarm sticks to the truck, and that the weight of each dragonfly is 0. Enter the car's speed in either miles or kilometers per hour and the stopping distance. 83. There are 60 seconds in a minute, and 5280 feet in a mile, so by dividing the 5280 feetby 60 seconds, we find that the car is traveling at a velocity of 88 FPS(feet per second). About us. 18m + 55m. After how many seconds will the cars be traveling the same speed , and how fast will they be going? A . A 3,000 pound car traveling at 70 mph has 15. The Change In Force. After the cars crashed each other, the car B will travel to the right at the speed of 3 ft/s. 0. If you're travelling at 70mph, the stopping distance will be more like 24 car lengths. 3 Joules or 135. How to calculate the impact force acting on a driver with a mass of 70 k g 70\ \mathrm{kg} 70 kg? Let's use our car crash calculator! Let's use our car crash calculator! If the initial car speed is 30 k m / h 30\ \mathrm{km/h} 30 km/h and the collision distance is 4 c m 4\ \mathrm{cm} 4 cm , then the impact force is about 60 k N 60\ \mathrm{kN. Reaction time is also three-quarters of a second. Principles of Physics: A Calculus-Based Text. 2, determine. There are no brakes on the trailer, and the car, which by itself can decelerate at 0. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. An 1160 kg car and 3980 kg truck undergo a perfectly inelastic collision. A truck with an 80,000 pounds load isn't going to stop at the same distance as an empty truck. 225 to obtain the corresponding G force value. 2000 pounds = 907. reducing 3,000 lbs. 8 Million Pounds Of Force To Release In A Crash. 550 m/s2. In a staged skid test, a 3000-pound automobile traveling 40 mph brakes to a stop in 70 feet on a level surface (with all tires braking). A rocket blasts off. 9 seconds at 138 mph. The new Wheel RPM (831 rpm) is lower than the old one (877 rpm). According to Newton’s second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. ” Your quarter-mile elapsed time increases to 16. The mass of an electron is 1 me, or 9. If you are traveling at the speed of 60 miles per hour, you would divide 3300/60 to get 55, as in 55 hours. Let the velocity of truck be v_t=50 miles/hr Let the starting point of car be O then The starting point of the truck will be 20 Miles from the point O. 70 to the left. Brakes are required to comply with performance requirements. For example, if your automobile gets 30 miles per gallon at 55 mph, the fuel consumption is 21 miles per gallon at 70 mph. Horsepower Calculator. How much force does a 3000 pound car traveling 70 mph have? According to Newton's second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. Reasoning: Work = force x distance. A typical tractor-trailer or other large truck can weigh as much as 80,000 pounds by law. In 10. 0 ft/s^2 and catches the truck in 0. If the car. decreases. A 700000 g roller coaster car traveling at 70mph is stopped by a spring with a spring constant of 50,000 N/m. The engines of these machines generate 17-24 HP, which ensures a top speed of 4-6 mph. At 50mph it's around 13 car lengths. In a 30 mph crash, a 100 pound adult becomes a 3,000 pound force against the child. 0 feet per second. Our tests - from 100% to 0% state-of-charge (or close to 0% in some cases), at a constant speed of 70 mph (113 km/h) - reveal what we can expect from an electric car on a typical long-distance trip. 8 three times the speed of a vehicle will mean the vehicle will have ___ times. 70g after the brakes are applied. 8 million pounds of forward-moving. Combination vehicles that weigh more than 3,000 pounds must be able to stop within 50 feet when traveling at 20 mph. Determine the ground reaction forces on the front and rear wheels as well as the car acceleration (use Appendix A. 70 mph = 6160 ft/min. The amount of distance you need to stop the car increases with speed. 11/01/2010 2:42 PM. Crash force is equal to your body weight multiplied by the speed of the vehicle. If the car's speed doubles, how much. 0 ˛ 102 kgoem/s C) 2. Therefore if you simplify you get a ds/dt of 66 miles/hour. Determine the speed of the car A. 202,919 ft-lb. Taking into account the driver's weight (let's use Lewis Hamilton, who weighs 150 lb), that makes a total weight of 1788 lb. Fastest on The Ground - MannedTop Speed: 650. (I converted the weight of the car to the mass of the car in Kg and all other units to SI units, then converted final force back to lb's) What is the momentum of a 2000 pound car traveling at 30 miles per hour Give the answer in metric units change pounds to kilograms miles per hour to meters per second? 2000 pounds = 907. 8 million pounds of force to release in a crash. Note: The results you obtain from these calculators are just guestimations, though. About Quizlet; How Quizlet works; Careers; Advertise with us; Get the app; For students. more. Cars currently are allowed to travel at 70 mph and the bill would let trucks also go 70 mph instead of the current 65 mph. This is also what may injure or kill the occupants of the vehicles. Solve the following problem by setting up an appropriate equation: Two cars, each traveling at a constant speed one 60 mph and the other 70 mph start at the same time from the same point traveling in the same direction. ÐÏ à¡± á> þÿ B. Here’s the best way to solve it. How fast was the car traveling when the tr; A car's speed is 245. AND you get to see the answer in 7 other different units !! 3) A woman with a mass of 95 pounds is running at 10 miles per hour. The study showed that headwinds with wind speeds up to 115 miles per hour do not tip over vehicles. If the car and truck traveled a total of 330 miles, for how many hours did the car and truck travel altogether?Speed limits in some places are still going up. 8 million pounds of forward-moving. Let the velocity of car be v_c=70 miles/hr. 2 mph/HP) ATVs: 6-50 HP = 25-75 HP (1. Miles per hour can be abbreviated as mph, and are also sometimes abbreviated as mi/h or MPH. 11) 2 / 2 = 135775. The FBD is already given. 5-5 mph/HP) Small motorcycles: 3-45 HP = 30-120 mph (3-10 mph/HP) It’s no surprise that the slowest vehicles are utility machines like riding lawnmowers. 225. The amount of distance you need to stop the car increases with speed. Also, with multiple impacts, the people inside the cars can suffer more severe personal injuries. 30, fully charging a Tesla costs an. Determine the force applied to slow the car. (a) Plot the amplitude of the displacement response of the car for the velocity range from v= 5 mph to v= 25 mph. Meanwhile, a 3000-lb car B is traveling at 6 ft/s to the left. . Speed. According to Newton’s second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. 8 million pounds of force to release in a crash. In a staged skid test, a 3000 -pound automobile traveling 40 mph brakes to a stop in 70 feet on a level surface (with all tires braking). Miles per hour can be expressed using the formula: v mph = d mi / t hr. To reduce wear and tear to the engine and ensure you get maximum fuel efficiency, it’s best to stay in the 2000-3000 RPM range when driving on a highway at 60-70 mph. 5. If conditions are so bad that you cannot see the road ahead, _____. asked in Jobs & Employment by voice (257k points) jobs-n-employment; education; guide; car; ahead-travelling; force-release; impact; 1 answer. Let's find the de Broglie wavelength of an electron traveling at 1% of the speed of light. 60 to the left. 200 feet, The minimum legal tread depth for the tires on your vehicle is a. Re: Auto accident, calculating force of impact. Note that Newtons is a measure of force, whereas pounds is a measure of mass. A 3000 pound car traveling at 70 mph has 15. The XLT Tremor sprinted to 60 mph in a tidy 6. Despite the fact that this can range from $9. 0 frac{m}{s}? At what speed would an 1140-kg car have the same momentum as a 12,600-kg truck traveling at 25 km/hr? A 14. Time (in seconds) Calculate. (Figure 1) Assuming the brakes are not applied, determine the average impulsive force acting on the car. 25 kWh to move, and the brake uses the same 0. To calculate this answer, follow these steps: Calculate total break time: 15 min + 60 min + 15 min = 1 hr 30 min. 15. In this case, this works out to be . The corresponding engine power is 96 hp. 48 shows an object whose mass is 5 lbm attached to a rope wound around a pulley. Then you can figure the HP it takes to maintain 70 mph. Assuming the car's tires do not. A car that is initially moving at 7. A 3,000 Pound Car Traveling At 70 Mph Has 15. This “canceled energy” is wasted. 2:10 minus 10 minutes leaves 2 hours of travel time. 600 kg. 5 feet to the rear of the front axle. At 70 mph, it is over 115 feet (over 7 modern car lengths). Nuts sell for $5 a pound and cereal squares sell for $3 a pound. Q&A. Copy. 6 feet, plus a reaction time of either 88 feet for a second delay in reaction time, or 176 feet for two seconds reaction time. A 3,000 pound car traveling at 70 mph has 15. The force generated by a crash depends on several factors, such as the mass of the car, the speed at which it is traveling, the distance. Where a vehicle is totaled in a car accident, it's a pretty safe bet that one or more of the vehicles involved was traveling at a high rate of speed -- though it's not necessarily proof of speeding. Find step-by-step Engineering solutions and your answer to the following textbook question: Consider a 3000 lb car whose speed is increased by 30 mph. If you know your vehicle's weight and horsepower, this calculator can determine how you car will perform in a quarter mile "stretch". 1/4 inch d. Speed of the car, v = 30 mph. Since 1 lb = 4. 5 mph each second. Within 100 feet when traveling at a speed of 20 mph. 8 million pounds of force to release in a crash. A vehicle weighing 3000 pounds and moving at a speed of 60 miles per hour possesses roughly 494,271 Joules of kinetic energy. A truck traveling at 75 mph consumes 27% more fuel than one going 65 mph; so limiting truck speed to 65 mph would save 2. Jewett. Multiplying the mass and speed, we obtain the momentum: p = mv = 2. The travel time calculator exactly as you see it above is 100% free for you to use. A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. 0 mph (88 ft/s) passes a car pulling out of a gas station. A 3,000 pound car traveling at 70 mph has 15. An automobile, weighing 1000 lb empty and 3000 Ib fully loaded, vibrates in a vertical direction while traveling at 55 mph on a rough road having a sinusoidal waveform with an amplitude Y ft and a period 12 ft. Both of your vehicles should do fine at 3,000 rpm. (More power would be needed, obviously, if you were carrying a door on top of your car, with the flat side perpendicular to the line of travel. The calculator below estimates the stopping distance for a well maintained car with an alert driver on a dry road. 1 second behind its siblings. This reasoning applies to both passenger vehicles and semi-trucks. The traffic is traveling at 70 MPH. 28ms^-1 North (b) approx 54. 4), one lb is equal to 4. However, the mass needs to be in kilograms and velocity in meters per second. 9,900. Updated 9/24/2021 7:16:49 PM.