Question

a weather balloon is floating at a constant height above earth when it releases a pack of instruments. if the pack hits the ground with a velocity of -76.5 m/s what is the packs displacement? how long does the pack fall?

Answer 1

below

Step-by-step explanation:

vf = 76.5

vf= at

76.5 = 9.81 t shows t = 7.798 s

d = 1/2 a t^2 = 1/2 ( 9.81)(7.798)^2 = 298.3 m