Question

If a ball dropped from a tower reaches the ground after 3.5 seconds, what is the height of the tower?

Given: g = –9.8 meters/second2

Answer 1

Answer:

Explanation:

S = ut

Answer 2

Answer:

h=ut+1/2gt^2

U=0 seconds

time=3.5 seconds

g=–9.8 meters/second^2

h=0×3.5+1/2×-9.8×-9.8

= 48.2 metres