Question

Numericals of ch work power and energy class 9​

Answer 1

Answer:

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Explanation:

K.E = ½ mv^2 = 0.5 × 0.015 kg × (400 x 400) = 1200 J. Work done = Change in K.E. F=1200 / 2 ×10^−2 = 6×10^4N. The kinetic energy is eventually converted to heat energy.

Answer 2

Answer:

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