You do work on something when you lift it against gravity. If the lifted object is released, what becomes of this energy? Be sure to define all terms that you use.

An apple falls out of a tree fro, a height of 2.3m. What is the impact speed of the apple

How does blue light differ from red light?

What is the kinetic energy of a 2,000-kg truck that moves at 5.0 m/s? 10,000 J, 50,000 J, 25,000 J, or 2,500 J

Which symbol represents an alpha particle in nuclear equations?

Voltage divided by Resistance equals? A. Power B. Current C. Watts D. Ohms

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.

You are standing 100 meters from an object emitting a sound of constant intensity (loudness). You walk toward the source of sound until you are 20 meters from it. From your perspective, what has happened to the intensity of the sound?

What is the peak emf generated by a 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field. (This is 60 rev/s.)