Kim is standing at the bus stop. her weight of 550 newtons is a downward force caused by gravity. what is the amount of force that the ground is pushing back on her with?

0 n there is no force

550 n it is equal to the downward force

600 n it has to be more than the weight

500 n it has to be less than the weight

When the pressure that a gas exerts

What forms when chemical reactions combine pollution with sunlight?

Plz mark brainliest 30 points 1) 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?