Question

point on the circle la 9
A particle is moving in a horizontal, circle of radius with
uniform speed v
in moving
diametrically opposite point it.
a) Momentum changes with mv
b) kinetic energy changes 1/2mv ^2
c) momentum changes by 2 mv.
d) Kinetic energy changes by mv^2​

Answer 1

Answer:

c) momentum changes by 2 mv