What element/nutrient is urine rich with that is beneficial to plants?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?