Two UVM hockey players of equal mass and moving at equal speeds, are on a collision course. After the perfectly inelastic collision, they move away together at half their initial speed. Find the angle between the initial velocities of the two women. Enter your answer in degrees. (without entering units)

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Ineed the answer to question 1 , i’m desperate