Question

Two cars A and B of masses 500g and 200g respectively are moving with the same speed . which of two has greater kinetic energy.

Answer 1

Answer:

Explanation:

the one with greater mass has greater kinetic energy so the car with mass 500g has greater kinetic energy

Answer 2

Explanation:

Two toy cars - A and B of masses 200 g and 500 g respectively are moving with the same speed. Which of the two has greater kinetic energy? Since the speed of both the cars is same, hence the car with greater mass will possess more kinetic energy.

$k = \frac{1}{2} m {v}^{2} \\ Since, speed \: is \: same, hence K∝m \\ And, mA>mB</p><p> \\ = Ka>Kb</p><p>$

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