Question

if the kinetic energy and linear momeentum of a body are equal,the velocity of the body is​

Answer 1

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Kinetic energy depends on the velocity of the object squared. This means that when the velocity of an object doubles, its kinetic energy quadruples.

Answer 2

Answer:

2ms-

Explanation:

Let, m be the mass of the body and v be the velocity of the body.

Now, momentum of the body is

p=mv

Kinetic energy is

E=

2

1

mv

2

As per given condition

2

1

mv

2

=mv=x(say)

2

1

mv

2

=x

2m

1

m

2

v

2

=x

2m

1

x

2

=x

x=2m

Now,

mv=2m

v=2 ms

−1

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