A particle moves in a circle of radius $$50\,cm$$ with a constant speed of $$5\,m/s.$$ Its centripetal acceleration is
A
$$Zero \,m/s^2$$
B
$$50\,m/s^2$$
C
$$25\,m/s^2$$
D
$$625\,m/s^2$$
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Solution
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Correct option is C. $$50\,m/s^2$$ Just remember $$a_c = \dfrac{V^2}{r}$$
$$a_c = \dfrac{5^2}{0.5}$$
$$a_c=50$$
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