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secondary 4 chevron_right Physics chevron_right Singapore

Why is the answer b?

Date Posted: 1 year ago
Views: 582
Eric Nicholas K
Eric Nicholas K
1 year ago
Think of direct proportion

E = 0.5 mv^2

E is directly proportional to v^2 (we assume the mass of the ball remains unchanged)

When v is doubled, v^2 is quadrupled.

Energy is therefore quadrupled.

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Abel Ong Kye Shyuan
Abel Ong Kye Shyuan's answer
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Hope this helps!
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