A hot air balloon is rising upward with a constant speed of 20 m/s. When the balloon is 3 m above the ground, the balloonist accidentally drops a compass over the side.
a.) How much time elapses before it hits the ground?
b.) What is its speed just before it hits the ground?
Check the syntax of your response.
c.) How high above the ground is the balloon when the compass hits the ground?