Which of the following has potential but not kinetic energy? A roller coaster zooming down a hill

A child riding their bike

A bird flying from a tree

A ball sitting on a shelf

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The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

How is science controlled by the governerment

2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?