Answer:
20 m/s
Explanation:
Height (s)= 20m
acceleration (a) = 10 m/s^2
v=?
we know,
V^2= U^2 + 2as. (U is initial velocity)
or,. V^2 = 0 + 2 × 10 × 20
or, V^2 = 400
or,. V = 20 m/s
A) it occurs when earth is between the sun and the moon
A. a steel beam. All of the rest of them change shape or volume whereas a steel beam with never change in volume or shape.
Explanation:
Sorry if I toke a while (needed to finish some work) but here you go!!! :D.