the velocity of a body is increased by 5% the percentage change in its kinetic energy is nearly
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v2 = v1 * 1.05 , as it is increased by 5%
KE1 = 1/2 m v1²
KE2 = 1/2 m v2² = 1/2 m v² 1.05²
= 1.1025 * KE1
% increase = 0.1025 * 100 = 10.25 %
KE1 = 1/2 m v1²
KE2 = 1/2 m v2² = 1/2 m v² 1.05²
= 1.1025 * KE1
% increase = 0.1025 * 100 = 10.25 %
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