K.C.S.E Physics Q & A - MODEL 2010PP1QN15
​(a) A cyclist initially at rest moved down a hill without pedaling. He applied brakes and eventually stopped. State the energy changes as the cyclist moved down the hill.
(b) Figure 7 shows a mass of 30kg being pulled from point P to point Q, with a force of 200N parallel to an inclined plane. The distance between P and Q is 225m. In being moved from P to Q the mass is raised through a vertical height of 75m. (i) Determine the work done:
​I by the force;
II on the mass; III to overcome friction. (ii) Determine the efficiency of the inclined plane. (c) Suggest one method of improving the efficiency of an inclined plane
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M.A NyamotiMy passion is to see students pass using right methods and locally available resources. My emphasis is STEM courses
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