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Question 15 continued C. A block which has a mass 83.0kg is at rest on a rough surface. A force of 220N is applied to the block causing it to move 27.0m and gain a velocity of 2.5 m/s. E= FS E = 1/2mV2 Where:- E = Energy ( J ) F = Force ( N ) s = Displacent ( m ) m = Mass (kg V = Velocity (m/s) (i) Calculate the work done by the force. Marks [1] (ii) Calculate the final E of the block. Marks [1] (iii) Account for any difference. Marks [1] Page 20 of 23