As part of a safety investigation, two 1600 kg cars traveling at 17 m/s are crashed into different barriers.
Find the average force exerted on the car that hits a line of water barrels and takes 1.4 s to stop.
Find the average force exerted on the car that hits a concrete barrier and takes 0.18 s to stop.
As part of a safety investigation, two 1600 kg cars traveling at 17 m/s are crashed...
Answer part A & B!
Problem 9.15 - Enhanced - with Feedback Rev As part of a safety investigation, two 1300 kg cars traveling at 25 m/s are crashed into different barriers. Y Part A Find the average force exerted on the car that hits a line of water barrels and takes 1.7 s to stop. Express your answer with the appropriate units. ? F- Value Units Submit Request Answer Part B Find the average force exerted on the car...
To stop a 2500 kg car traveling at 17 m/s in a time of 9 s requires an average force of magnitude? Select one: O A. 2400 N O B. 2.73 KN O C. 24.53 KN O D. 4.72 KN
a car of mass 1500 kg traveling northward at 16m/s collides in an intersection with a 1700 kg car traveling at 12 m/s in a direction 30 degrees north of east. (a) assuming that the two cars become stuck, find the velocity of the wreck immediately after the collision. (b) calculate the average force on a 100kg passenger in the first car. duration of collision: change in t=50 ms
A driver traveling at 22 m/s slows down her 1500 kg car in order to not hit a brick wall. The distance between where she starts to brake and the wall is 75 meters. What is the average stopping force the driver experiences if she stops 5 meters before hitting the wall? (hint:the car takes 70 meters to stop, not 75) If the brake line bursts the driver decides to turn the in a wide arc parallel to the wall...
A 3.6-kg steel ball traveling
at 8.0 m/s hits a wall at an angle of ? = 61.0o as shown in the
figure. It bounces off the wall with the same speed and same angle.
If the ball was in contact with the wall for 0.14 seconds, what was
the magnitude of the average force exerted on the ball by the
wall?
A 2500-kg car traveling at 6.0 m/s runs into a wall. The complete wall is not affected, but the car crumples such that in the time interval from the instant of impact to the instant at which the car comes to rest, the center of mass travels forward 0.4 meters. A) What is the magnitude of the average force exerted on the car? B) What is the time of the crumple?
n a crash test, a truck with mass 2000 kg traveling at 23 m/s smashes head-on into a concrete wall without rebounding. The front end crumples so much that the truck is 0.62 m shorter than before. (a) What is the average speed of the truck during the collision (that is, during the interval between first contact with the wall and coming to a stop)? vavg= m/s (b) About how long does the collision last? (That is, how long is...
In a performance test, each of two cars takes 8.9 s to accelerate from rest to 28 m/s. Car A has a mass of 1429 kg, and car B has a mass of 1889 kg. Find the net average force that acts on (a) car A and (b) car B during the test.
please show work for 4 and 6
andone is a 88-kg man.The woman movés away wih spel0l D) 4.07 m/s C) 0.75 m/s A) -15 m/s B) 5.0 m/s 4Rain comes down with a velocity of -15 m/s and hits the roof of a car. The mass of rain per second that strikesthe roof of the car is 0.060 kg/s. Assuming that rain comes to rest upon striking the car, find the average force exerted by the rain on the...
A 200-kg motorcycle and rider are traveling at 40 m/s. The rider notices a wreck ahead, applies the brakes, and manages to stop the car in 150 meters. Using work-energy, find the force of friction used to stop the car. (Pick the answer closest to the true value.) 12,500 newtons 3,375 newtons 387 newtons 1,067 newtons 2,280 newtons