judirami judirami
  • 14-06-2020
  • Physics
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4. A year 11 pupil with a mass of 55kg swinging back on their chair and falling off it at a speed of 0.6m/s. What is his kinetic energy?

Respuesta :

BrainlyHero
BrainlyHero BrainlyHero
  • 14-06-2020

Given:

  • mass = 55 kg

  • velocity, v = 0.6 m/s

To be calculated:

Calculate the kinetic energy?

Solution:

Kinetic energy = 1/2 mv²

= 1/2 × 55 × 0.6²

= 55/2 × 0.36

= 55 × 0.18

= 9.9 kg.m/s

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