Two skaters, both initially at rest, face each other. One skater has a mass of 43.5 kg and the other has a mass of 60 kg. The skaters push off and roll in opposite directions. If the heavier skater is going 5.6 m/s, what is the speed of the lighter skater?

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

In an experiment, how can i change human errors? be specific.