At what speed must a 0.6 kg stone be thrown in order that it has a relativistic mass of 0.76 kg? (c = 3.00 x 10^8 m/s) a) 0.69768c b) 0.6138 c c) 0.33 c d) 0.2409 c e) 0.415 c

The speed of the stone is 0.6138 c.

(B) is correct option.

Explanation:

Given that,

Mass of stone m= 0.6

Relativistic mass = 0.76

We need to calculate the speed

Using formula of rest mass

Put the value into the formula

Hence, The speed of the stone is 0.6138 c.

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