Acoin is dropped from a hot-air balloon that is 290 m above the ground and rising at 12.0 m/s upward. for the coin, find the following. (a) the maximum height (in m) reached

y = 297.34 m

Explanation:

When coin is dropped from the balloon then due to inertia the initial speed of the coin will be same as the speed of the balloon

So here we have

initial height of the coin is

now at the maximum height final speed of the coin will be zero

so we will have

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real, smaller and upside-down.   so the answer should be b.