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drag each tile to the correct box.
the narrator describes the chain of energy transformations that ends with the beat of a dragonfly swing. the different forms of energy in the chain are shown. arrange the tiles in order, ending with the beat of a dragonfly’s wing.

Aballet student who learns with the of his instructor is demonstrating learning.

As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.

The dot diagram represents the motion of the motorcycle as it moves from left to right