work done as mass 1 moves to mass 2. the gravitational force between two point masses separated by a distance r is proportional to

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.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Why do astronauts in the space shuttle weigh less?