A particle of mass 2.5 x 10-6kg revolving around the earth has a radial acceleration...

WAEC 1990

A particle of mass 2.5 x 10^-6kg revolving around the earth has a radial acceleration of 4 X 10⁷ ms^-2. What is the centripetal force of the particles?

A. 6.25 x 10^-14N
B. 1.60 x10^-13N
C. 5.00 x 10N
D. 1.00x10²N
E. 2.00x1O²N

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Correct Answer: Option D

Explanation

F = ma = 2.5 x 10^-6 x 4 x 10⁷ = 100N

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A particle of mass 2.5 x 10-6kg revolving around the earth has a radial acceleration...

Correct Answer: Option D

Explanation

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