> Q. A stone of mass 0.3 kg attached to a 1.5 m long string is whirled around in a horizontal circle at a speed of 6 ms-1. The tension in the string is – LIVE ANSWER TODAY

Q. A stone of mass 0.3 kg attached to a 1.5 m long string is whirled around in a horizontal circle at a speed of 6 ms-1. The tension in the string is

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A stone of mass 0.3 kg attached to a 1.5 m long string is whirled around in a horizontal circle at a speed of 6 ms-1. The tension in the string is

Solution:

Here, mass of the stone m = 0.3 kg

Length of a string = 1.5 m

Speed v = 6 m/s

$T=frac{mv^{2}}{R}=frac{left(0.3right)left(6right)^{2}}{1.5}$ =7.2 N

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