Bob and jim decide to play tug-of-war on a frictionless (icy) surface. jim is more than twice as strong as bob, but bob weighs 160 lbs while jim weighs 145 lbs. who loses by crossing over the midline first? select all correct answers.

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.