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A block slides from rest down a smooth 1.8 m slope. Speed? (g = 10)
A18 m/s
B36 m/s
C3 m/s
D6 m/s
Answer & Solution
Correct answer: D. 6 m/s
v = sqrt(2 x 10 x 1.8) = sqrt(36) = 6 m/s.
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