two bumper cars at an amusement park collide together abd get stuck together. assuming that the system of the two bumper cars is isolated. what does the conservation of momentum tell us

A 0.540-kg bucket rests on a scale. Into this bucket you pour sand at the constant rate of 56.0 g/s. If the sand lands in the bucket with a speed of 3.20 m/s, (a) what is the reading of the scale when there is 0.

Chanel has some cotton candy that came in a cloudy shape. She wants to make it more dense. Which describes the candy before and after Chanel manipulated it?

Which of the following is the best example of a proper hypothesis? 1. I think there is no effect on hearing if you listen to loud music only three hours a day. 2.

Name the device which measure distance travelled by the body

a cat plays with a toy mouse suspended from a light string of length 1.25 m, rapidly battling the mouse so that it acquires a speed of 2.75 m/s while the string is still vertical.

Why have plants in the alpine biome adapted to survive on limited nutrients?

At a molecular level, does plasma have more or less energy than other states of matter?

A bobsledder pushes her sled across horizontal snow to get it going, then jumps in. After she jumps in, the sled gradually slows to a halt.

How can you predict the action of the element

How is the mass of a liquid substance affected after it freezes A) It increases. B) It decreases. C) It stays the same.