In a post office, a 3-m long ramp is used to move carts onto a dock that is higher than 1 m. which describes how the ima of this ramp compares with the ima of the ramp that has a height of 1 m?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

What energy transformations occur each time the skateboarder rolls up the ramp?

Why is a noble gas different from other elements?