Question

Question #e3977

Answer 1

Let the height be h m then

`h=u*t-1/2*g*t^2`

Inserting

`u=50m/s," " t = 7s," "g=9.8m/s^2`

`h=50*7-1/2*9.8*7^2`

`->h=350-4.9*49=109.9m`