Physics Two Dimensional Motion Question 101
Question: A ball is moving to and fro about the lowest point A of a smooth hemispherical bowl.If it is able to rise up to a height of 20 cm on either side of A, its speed at A must be (Take = 10 m/s2, mass of the body 5 g)
[JIPMER 2000]
Options:
A) 0.2 m/s B)2 m/s C) 4 m/s D) 4.5 $ ms^{1} $
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Answer:
Correct Answer: B
Solution:
$ v=\sqrt{2gh}=\sqrt{2\times 10\times 0.2}=2,m/s $
BETA
