Question

When the KE of a body is increased by three times its momentum is increased by
(a) 9 times (b) 3 times (c) v2 times (d) V3 times​

Answer 1

P= momentum, K= kinetic energy, then

P

1

2

=2mK

1

,P

2

2

=2mK

2

.

∴[

P

1

P

2

]

2

=

K

1

K

2

=

K

1

3K

1

=3

∴

P

1

P

2

=

1

3

=1.732

Answer 2

When the KE of a body is increased by three times its momentum is increased by 3 times

hope this helps u