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प्रश्न
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
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उत्तर
The toy car ‘A’ of mass 500 gm has the greater kinetic energy. This can be explained as:
K.E. = 1/2 Mv2
Here, both the cars are moving with the same speed. So the car with greater mass will possess greater kinetic energy.
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