Two skaters stand facing each other. One skater’s mass is 60 kg, and the other’s mass is 75 kg. The two skaters push off each other. After the push, the smaller skater has a velocity of 3.0 m/s. If no other forces are acting on the skaters, what is the velocity of the larger skater?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Hydrogen and helium are both members of?

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2