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?

The answer is D. 1.00x102N.

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 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

waec 1990 physics

The correct answer is D. 1.00x10²N

F = ma = 2.5 x 10^-6 x 4 x 10⁷ = 100N

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