Please help! 15 points!! You and a friend go to the park to use the seesaw. if you have a mass of 55 KG and your friend has a mass of 80 KG. You sit at the end of the seesaw which is 2M from the center. Where does your friend need to sit so you balance?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?