Your answer is c holding a brick doesn't contain movement, but energy to grip on it.
hoped it helped!!!
<span>m1v1 + m2v2 = (m1+m2)*(-vf)
6*5 + 2*v2 = (6 + 2)*(-2)
v2 = -16/2 = -8 m/s i</span>
When you put ice in the freezer, the water expands when in gets cold.
the sidewalks have cracks in them to make room for the expansion and contraction when it heats up and cools down.
as you drive a car, the heat from combustion causes metal to expand. when you turn the car off, the metal cools down and contracts