You drop two balls from a tower. One ball$$s mass is m$,$ the other$$s is $2$m$.$ Air resistance does not significantly affect the motion. Just before they hit the ground:

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a$)$ which $($if either$)$ ball has a larger kinetic energy? Explain. $(2$ marks$)$

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b$)$which $($if either$)$ ball has a larger speed? Explain. $(1$ mark$)$

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