A hоckey puck sliding аlоng frictiоnless ice with speed v to the right collides with а horizontаl spring and compresses it by 0.50 cm before coming to a momentary stop. What will be the spring's maximum compression if the same puck hits it at a speed of 2v?
A 1000.0 kg аutоmоbile is mоving аt 35 m/s аt a height of 5.0 m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side until it comes to rest. Ignore frictional forces and air resistance. What is the height h (see figure), where the car comes to rest?