Question

(3) 1573 m/s
(4) 13 mis
(nt -1 solo o
If kinetic energy of a body is increased by 300%
then percentage change in momentum will be
X1 100%
127 150%
(3) 265%
(4) 73.2%
A stationary particle explodes into two particle​

Answer 1

Correct Question—

If kinetic energy of a body is increased by 300%

then percentage change in momentum will be

(1) 100%

(2) 150%

(3) 265%

(4) 73.2%

♋♋YOUR ANSWERS♍♍

✍ (1) 100 %

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EXPLANATION —

Kinetic Energy, KE = 1/2 mv²

Momentum, P = mv

K. E = P²/2m

After increasing 300 % in kinetic energy.

(1 + 300/100) K. E = P²new/2m

Pnew/P = 2

Pnew = 2P = (1 + 100/100)P

Pnew - P = 100/100 P

Hence, momentum increase 100 %

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