Correct Answer - Option 2 :
Ball of mass 4 kg
The correct answer is option 2)
CONCEPT:
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Kinetic energy (KE): The energy due to the motion of the body is called kinetic energy.
KE = (1/2) m v2
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Momentum (p): The product of mass and velocity is called momentum.
p = m v
Where m is mass and v is velocity
The kinetic energy in terms of momentum is given by:
\(K=\frac{P^2}{2m}\)
where K is the kinetic energy of the body, P is the momentum of the body and m is the mass of the body.
EXPLANATION:
\(K=\frac{P^2}{2m}\)
P2 = 2 m K
Kinetic energy (K or KE) is the same for both:
So the body having more mass will have more momentum
Hence 4 kg will have more momentum.