stone of 1kg is thrown with a velocity of 20m/s across the frozen surface of lake and comes to rest after travelling a distance if 50m. what is the force of friction between the stone and the ice

Asked by  | 28th Jul, 2012, 11:49: AM

Expert Answer:

Let force of friction be F
Thus deceleration produced by that force would be F/m = F (m=1kg)
using 3rd equation of motion:

Answered by  | 28th Jul, 2012, 02:21: PM

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