Question

You take a running jump off the end of a diving platform at a speed of 7 m/s and splash into the water 1.5 seconds later.

a.) How far horizontally do you land from your takeoff point?
b.) How high is the diving platform?

Answer 1

Part a

Just use v=d/t

d = vt
d = 7 x 1.5

For part b

Vf=Vi +at
Vf=0 + (9.8)(1.5)

d= ((Vi + Vf) /2) x t
d = ((0 + Vf) /2) x 1.5

In second equation, use Vf found in first equation