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Percentage erros in the measurement of m...

Percentage erros in the measurement of mass and speed are 2% and 3% respectively. The error in the estimation of kinetic energy obtained by measuring mass and speed will be:

A

0.08

B

0.02

C

0.12

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
A
As `K=(1)/(2)mv^(2)`
`therefore(DeltaK)/(K)xx100=(Deltam)/(m)xx100+(2Deltav)/(v)xx100=2%+2xx3%=8%`
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