Answer:
From the concept of energy conservation, Ei=Ef
Explanation:
mgh=1/2mv^2
=> v=
\sqrt{2gh}2gh
=
\sqrt{2 \times 9.8 \times 8.8}2×9.8×8.8
\sqrt{172.28}172.28
=13.12m/s.
Answer: The answer is D
Explanation: i had the same question and i just guessed and got it first try
47 J
hope it helps u
thanks for easy ask
Answer: B 100 J
Explanation: Pic Attached. Hope This Helps.
