Câu hỏi
If a chipmunk dropped an 0.25 kg acorn from the top of a tree and it had a velocity of 4m/s right before it hit the ground, then how much kinetic energy did it have? Enter the answer
Giải pháp
4.6
(246 Votes)
Lela Mahoney
Professional · Tutor for 6 years
Answer
2 J
Explanation
1. Apply kinetic energy formula Use
with
and
. 2. Calculate
.