Question: A leaf and a chestnut begin to fall from a tree from the same height at the same instant. The chestnut has a mass of

A leaf and a chestnut begin to fall from a tree from the same height at the same instant. The chestnut has a mass of 20 g, and lands after 1.4 s. The leaf has a mass of 5 g, and lands after 8.4 s. to 03 er 6mpx 003 ET=0) Q 2(a) A] From what height did the chestnut fall? What was the speed of the chestnut just before it landed? 2(c) A student states: "The chestnut falls faster to the ground than the leaf because it is heavier." Comment on this statement. Q 2(d) Is the change in kinetic energy of the leaf (1) greater than, (2) equal to, or (3) les than the change in potential energy?

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