Q.11) (i)Name the type of energy possessed by:
(a) Flowing water (b) A stretched rubber band
(ii) An object of mass 15 kg is moving with a uniform velocity of
4m/s. What is the kinetic energy possessed by the object.
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Answer:
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Explanation:
(i) a) kinetic energy
b) potential energy
(ii) as KE= 1/2 mv²
m= 15 kg
v= 4 m/s
substitute the values-:
(1/2)×15×4²
= 120 J
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