Two ice skaters are at rest, Abby and Ben. Abby has a mass of 52.5 kg. They push off each other. After, Abby moves 1.59 m/s east, while Ben moves 1.22 m/s west. What is Ben's mass? Please help, I am failing Physics and I really need assistance with my work!!

What is the coldest temperature ever recorded in san antonio?

To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.

Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false