The initial speed of the bullet is 822 m/s, and the speed of the bullet after it exits the block is 439 m/s. At what speed does the block move after the bullet passes through it?

Two movers use a rope system to lift a box to a third-story apartment. They do 1,200 J of work on the rope system, and the rope system does 1,020 J of work on the box. What is the efficiency

How much electrical is use by a 350 W television that is operating for 25 minutes

What is the wavelength of a radio photon from an "am" radio station that broadcasts at 1080 kilohertz?

Why are temperature and thermal energy similar and why are they different?

The force required to stretch a Hooke's-law spring varies from 0 N to 62.4 N as we stretch the spring by moving one end 17.2 cm from its unstressed position. Find the force constant of the spring. Answer in units of N/m.

If you used 650 W of power lifting a 300 N weight in 2 seconds how high did you lift?

A 20-kg child is tossed up into the air by her parent. The child is 2 meters off the ground traveling 5 m/s.

How does erosion happen

Distinguish between nonsampling error and sampling error. Choose the correct answer below. A. Nonsampling error is the error that results because a sample is being used to estimate information about a population.

Where is the sun rays strike earth most directly and least directly