A particle of mass 2 5 x 10-6kg revolving aroun... - WAEC Physics 1990 Question
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
correct option: d
F = ma = 2.5 x 10-6 x 4 x 107 = 100N
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