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Block A slides down a ramp whose slope is 45°. An identical block B slides down a ramp whose slope is 60°. Both blocks start at a height of 2 meters. Compare the kinetic energies (KE) of the blocks just before they reach the bottom, assuming there is no friction.

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  1. Since they are identical, they will have the same mass. With no friction, they both convert the same potential energy to kinetic energy, with no losses.

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