Mark launches a toy rocket with an initial vertical velocity of 25ft/s from a platform that is at ground level. how long will the toy rocket be in the air?

Question

asked Nov 9, 2020 162k views

1 Answer

Ramzi Trabelsi · Answer 1 · 2020-11-14T03:37:35+0000

Answer:

A

Explanation:

First: C is incorrect. It is using the value of acceleration due to gravity in the metric system.

Second: the 16 must be opposite in sign from the 25. That makes B and D incorrect.

Answer: A