Question

A body is thrown vertically upwards and reaches to a height of 10m in 4 seconds and then come back to the projection point. Find: total distance covered displacement, average speed,and average velocity.

Answer 1

Explanation:

bythu66t88688u....uugu8u

Answer 2

Answer:

Initial Velocity u=40

Fianl velocity v=0

Height, s=?

By third equation of motion

v

2

−u

2

=2gs

0−40

2

=−2×10×s

s=

20

160

⇒s=80m/s