Question

the K.E of a body of mass m is E.its momentum is?​

Answer 1

Answer:

√(2mE)

Explanation:

HEY MATE HERE'S YOUR ANSWER AND THE DERIVATION!

Concept

• Momentum(P) = mv
• Kinetic Energy( E) = 1/2 × mv²

Derivation

As Kinetic Energy(E) = 1/2 × mv²

•°• Multiplying m/m in RHS, we get,

==> E = 1/2m × m²v²

==> E = 1/2m × (mv) ²

==> E = (mv) ²/2m

==> E = P²/2m

==> P² = 2mE

==> P = √( 2mE)

THUS HERE IS YOUR DERIVATION!

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