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
Verified Correct Answer: D.
Physical Principles & Numerical Solution
F = ma = 2.5 x 10-6 x 4 x 107 = 100N
Source: Myschool Past Questions Archive (Record #24081)