Question

A uniform solid ball first rolls purely along a floor,
then up a ramp inclined at 30°. It momentarily
stops when it has rolled 1.5 m along the ramp. Its
initial speed is approximately
(1) 2 m/s
(2) 3 m/s
(3) 4 m/s
(4) 5 m/s​

Answer 1

Answer:

(2)3 m/s

Explanation:

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Answer 2

Explanation:

See attachment.

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