Question

The ball dropped at 7m building has a velocity of 2.5m/s, it reaches the ground at

10.2s? What is the distance travelled by the ball?

What are the given:

What is asked in the problem:

Formula to use:

Solution:

Answer 1

Given:

$h=7\:\rm m$

$v=2.5\:\rm m/s$

$t=10.2\:\rm s$

Unknown:

$d$

$$d=gt^2/2\\ =9.8*10.2^2/2=510\:\rm m$$