A 2180-kg car is slowed down uniformly from 24.6 m/s to 5.2 m/s in 3.32 s. (a) What is the magnitude of the average total force acted on the car during this time?
A 2180-kg car is slowed down uniformly from 24.6 m/s to 5.2 m/s in 3.32 s....
a 2180kg car is slowed down uniformly from 24.6 m/s to 5.2 m/s in 3.02 s. what is the magnitude of the average total force acted on the car during this time? how far did the car travel during this time?
A 2500 kg car is accelerated from rest to 20.0 m/s on a distance of 120.0m. What force acted on the car during this motion?
A car of mass 875 kg is traveling 30.0 m/s when the driver applies the brakes, which lock the wheels. The car skids for 5.60 s in the positive -direction before coming to rest. (a) What is the car's acceleration? (b) What magnitude force acted on the car during this time? (c) How far did the car travel? [Ans: ()-536 m/s (b) 4690 N(c) 84,0 m]
Question 1 (1 point) A train running along a straight track at 73 m/s is slowed uniformly to a stop in 10.6 s. Find the stopping distance. Question 2 (1 point) In the first part of your trip, you drive 55 miles at an average speed of 53 miles/hour. In the second part of your trip, you drive 5 hours at an average speed of 67 miles/hour. What is average speed during your whole trip? Question 3 (1 point) A...
A car of mass 772 kg is traveling 24.4 m/s when the driver applies the brakes, which lock the wheels. The car skids for 5.27 s in the positive x-direction before coming to rest. a). What is the car's acceleration (in m/s2)? (Indicate the direction with the sign of your answer.) b). What magnitude force (in N) acted on the car during this time? c). How far (in m) did the car travel?
A 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 15.2 m/s in 12.7 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. hp (b) Find the instantaneous power output of the engine at t = 12.7 s, just before the car stops accelerating. hp
A 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 17.0 m/s in 12.5 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. hp (b) Find the instantaneous power output of the engine at t = 12.5 s, just before the car stops accelerating. hp
A car slows down uniformly from a speed of 28.0 m/s to rest in 9.00 s How far did it travel in that time?
A 1500-kg car starts from rest and accelerates uniformly to 18.0 m/s in 12.0 s over a dry concrete road. Assume that kinetic friction remains constant at 400 N during this time. – (a) Find the net work done on the car and the work done by the engine. – (b) How many revolutions does each tire make over the 12.0 s interval? What is the angular speed of the wheels when the car has traveled half the total distance?...
A 75.0 kg 0erson is riding in a car moving at 20.0 m/s when the car runs into a pillar. The person hits the car's airbag, which compresses over 0.015 s. The person comes to rest. A) what is the magnitude of the momentum of the person riding in the car before the collision? B) What is the average force (magnitude and directions) on the person in the car from the airbag during the collision? Assume that the car was...