Stacking Plates Energy in a Spring
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Customers take plates from the cart described above. As a result, the spring moves up to be compressed by
only 0.30 m. What is the change in elastic potential energy?

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

The air that we breath is made mostly of which gaseous molecule

How would a small bar magnet be oriented when placed at position x?