Physics, 07.07.2020 20:01 payshencec21

Two cannonballs are dropped from a second-floor physics lab at height h above the ground. Ball B has four times the mass of ball A. When the balls pass the bottom of a first-floor window at height above the ground, the relation between their kinetic energies, KA and KB, is

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Two cannonballs are dropped from a second-floor physics lab at height h above the ground. Ball B has...