<span>Correlations allow you to make inferences.</span>
Answer:
53.36 m.
Explanation:
Initial velocity of the toolbox u = 0
acceleration due to gravity g = 9.8 m s⁻²
time t = 3.3 s
height of roof h = ?
h = ut + 1/2 g t²
= 0 + .5 x 9.8 x 3.3²
= 53.36 m.
KE=1/2 mv^2
=1/2(150kg)(15m/s)^2
=16875 kgms^-2
