1.

The percentage errors in the measurement of mass and speed are `2% and 3%` , respectively . How much will be the maximum error in the estimation of `KE` obtained by measuring mass and speed?A. `11%`B. `8%`C. `5%`D. `1%`

Answer» Correct Answer - B
`E=(1)/(2)mv^2`
`%` Error in K.E.
`=%` error in mass`+2xx%` error in velocity
`=2+2xx3=8%`


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