A car moves from rest with a constant acceleration of 2ms? to attain a certain velocity after 5 seconds. It then maintains this velocity for 10 secons. Brakes
were applied and it comes to rest after 5 seconds
What is the average velocity of the motion?
A. 10.Oms
B. 8.3ms
C. 7.0 ms
D. 5.5ms

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Why do astronauts in the space shuttle weigh less?