Question

A coin is dropped from a hot-air balloon that is 300 m above the ground and rising at 10.0 m/s upward. For the coin, find (a) the maximum height reached, (b) its position and velocity 4.00 s after being released, and (c) the time before it hits the ground.

a) $305 \textrm{ m}$

b) $y = 262 \textrm{ m}$, $v = -29.2 \textrm{ m/s}$

c) $8.91 \textrm{ s}$

Solution Video