Aprojectile is fired straight upward from the earth's surface at the south pole with an initial speed equal to one third the escape speed. (the radius of the earth is 6.38 106 m.)

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg