1.

Find the kinetic energy of a body of a mass 1kg moving with uniform velocity of 10m/s​

Answer»

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Mass of body = 1kg

Velocity of body = 10m/s

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We have to find KINETIC ENERGY of body.

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✭ Kinetic energy of body of mass m MOVING with velocity V is given by

  • KE = 1/2 × mv²

➠ Energy is a scalar quantity having only magnitude.

➠ SI unit : Joule (J)

➠ Dimension formula : [M¹L²T^{-2}]

Let's calculate :D

➝ KE = 1/2 × mv²

➝ KE = 1/2 × 1(10)²

➝ KE = 1/2 × 100

KE = 50J



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