A hot air balloon is traveling vertically upward at a constant speed of 2.1 m/s.

Question

A hot air balloon is traveling vertically upward at a constant speed of 2.1 m/s. When it is 27 m above the ground, a package is released from the balloon.
After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s2 .
Answer in units of s

What is its speed just before impact with the ground?
Answer in units of m/s

Now assume the hot air balloon is traveling vertically downward at a constant speed of 2.1 m/s.
After the package is released, how long is it in the air?
Answer in units of s

What is its speed just before impact with the ground?
Answer in units of m/s

Explanation / Answer

a) Package is in the air for 2.57s b) -23.086m/s c) 2.143s d) 23.1014m/s

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