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Q.

In the measurement of mass and speed, the percentage errors are 2% and 3% respectively. From the obtained mass and speed, find the maximum error in the estimation of the kinetic energy.

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a

11%

b

8%

c

5%

d

1%

answer is B.

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Detailed Solution

Kinetic energy is given asKE=12mv2So, percentage error in kinetic energy will be given as% error in mass + 2 x % error in velocity= 2 + 2 x 3 = 8 %
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