Answer:
true
Explanation:
if you apply force to the top of a square it will not move
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Explanation:
a. KE at bottom = PE at top
½ mv² = mgh
v = √(2gh)
v = √(2 × 9.8 m/s² × 20.0 m)
v = 19.8 m/s
b. Work by friction = PE at top
mgμ d = mgh
d = h / μ
d = 20.0 m / 0.210
d = 95.2 m
A thunder bolt and lightning strike wouldn't do anyone any favours and might well account for the mess and the broken windows ...
