Q.
The mass of a body m moving with a velocity v is given by m=m01−v2c2 where m0 = rest mass, c = speed of light = 3 x 108 ms-1. The value of m (in kg using significant figures) for m0=10kg,v=3×107ms−1is ________
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answer is 10.
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Detailed Solution
m=101−9×10149×1016=101−1100=10.0504=10kg (significant figure is 1) (The number of significant figures in multiplication or division should equal to minimum number of decimal points of a quantity involved in the operation.)
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