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Q.

The percentage errors in the measurement of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed

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a

11%

b

8%

c

5%

d

1%

answer is B.

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Detailed Solution

K.E.=12mv2
Δ K.E.  K.E. =Δmm+2ΔVV=2100+2×3100×100%

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