Question

mass of a body 200 g if it's velocity is 50m/sec find kinetic energy


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Answer 1

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sureshaggarwal4302

16.01.2019

Physics

Secondary School

answered

An object of mass 200 g moving with velocity 50 cm/s. What is its kinetic energy?

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Answer

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Brainly User

Given information :

Mass ( m ) = 200 g

= 200 / 1000 kg

= 0.2 kg

Velocity ( v ) = 50 cm/s

= 50 m / 100 s

= 1 / 2 m/s

= 0.5 m/s

Formula :

Kinetic energy = 1/2 m v²

= 1/2 × 0.2 kg × ( 0.5 m/s )²

= 0.5 × 0.2 kg × 0.25 m²/s²

= 0.025 kg m²/s²

= 0.025 J

ANSWER :

The kinetic energy will be 0.025 J