Demonstrate what’s happening during a solar eclipse on a smaller scale. All you need is a flashlight, a quarter and a partner. Aim the
flashlight at your partner’s face. Then have your partner hold up the
quarter so that it blocks the light.

What happened? What do the different items represent? Which one
is the sun? Which one is the moon? Which one is the earth?

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Identify two types of chemical bonding in the source of dietary potassium

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?