Question

a body of mass 2kg is moving with a speed of20m/s .Find the kinetic energy

Answer 1

The energy possessed by a moving object is called kinetic energy.

M=1kg

V=2m/s

Ke= 1/2MV^2

Ke=1/2×1×(2)^2

Ke =2 joules

Answer 2

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ANSWER :

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The mass of the object, m = 2 kg

The speed of the object, v = 20 m/s

The Kinetic Energy, K.E = ?

We know that ,

$kinetic \: energy = \frac{1}{2} mv ^{2}$

From this ,,,

Kinetic Energy ,K.E = 1/2 × 2 × (5)^2

K.E = 400J

The Kinetic Energy is 400 J.

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