Questions
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?
detailed solution
Correct option is C
Kinetic energy, E=12mv2 ΔEE×100=Δmm×100+2Δvv×100 =2+2×3=8%Talk to our academic expert!
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The density of a cube is measured by measuring its mass and length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then the maximum error in the measurement of density is
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