a 1400 kg car experiences a total ret arding frictional force of 700 N as it climbs a 10 hill at a constant 80 km/h. How much power must the car be able to generate through its wheels to do this?

What object a collides with object b and bounces back its final momentum is?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.