The kinetic energy of a particle depends on the square of speed of the particle. If error in measurement of speed is 30%, the error in the measurement of kinetic energy will be n%. The value of n% is ________
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Solution
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Hint :
Error in kinetic energy is KΔK
Step1:Relation between kinetic energy and speed
Kinetic Energy of particle is 21mv2
⇒KE∝v2
⇒KE1KE2=(v22v12)
Step2:Relation between initial and final kinetic energies