While sitting motionless in a 5 kg friction free wagon, an 80kg clown catches a 15 kg cannonball traveling horizontally at 20 m/s. After the cannonball is caught, at what speed do the clown, wagon, and ball move?

What type of wave is a mircrowave

If a 6-kg bowling ball is rolled down the bowling lane with a force of 12 N, what is the acceleration of the ball?

The molecular compound that has a ratio of two oxygen atoms to one carbon atom is named

Which statement is true about the atomic mass? a. it is never greater than the atomic number b. it always equal the atomic number c. it always lowers the atomic number d. it can be greater than the atomic number

Explain the relationships between gravity, mass, and distance.

What causes an air conditioned to turn on

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

The speedof a boat in still water is v. The boat is to make a round-trip ina river whose current travels at speed u.

Why are there so few working wave power stations?

Two abiotic factor that effect an ecosystem are;