A. 10J
B. 10³J
C. 10^4J
D. 10^5J
Correct Answer: Option D
Explanation
Ke = mgh
Ke = Pe
½MV² = mgh
Ke = 1000 x 10 x 10
Ke = 100000J
Ke = 105J
![A carpenter on top of a roof of 20.0m high dropped a hammer of mass 1.5kg and it fell directly to the ground. the kinetic energy of the hammer just before hitting the ground is? [g = 10 ms−²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A carpenter on top of a roof of 20.0m high dropped a hammer of mass 1.5kg and it fell directly to the ground. the kinetic energy of the hammer just before hitting the ground is? [g = 10 ms−²]")
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