Equations of motion

Question

A balloonist at an altitude of 800m drops a package . one second later,he drops a second package.

A. How far apart are the packages at the instant the second package is dropped

B. How far apart are the packages when the first package hits the ground

C. What is the time interval between when the two packages hit the ground

Answer 1

Zinat Pink, hello 

Use the formula for falling object:  height = ¹/₂ g t²     use g = 9.8 m/s² 

A. 4.9m 

B. 120.32m 

C. one second