A ball of mass m is attached to the lower end of a vertical

Last updated: 6/26/2023

A ball of mass m is attached to the lower end of a vertical string whose upper end is fixed An identical ball B moving with a velocity vo 6 m s at an angle 0 45 from vertical collides elastically with the ball A as shown The velocity of the ball B just after collision is A 5 m s B 4 m s C 3 m s D 2 m s A m 0 45 B m V 6 m s