What is an example of applying the law of conservation of mass?

A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. the mass of the ball is 0.38 kg. the ball approaches the cushion with a velocity of + 2.50 m/s and rebounds with a velocity of - 1.90 m/s.

An electron enters a magnetic field of 0.66 T with a velocity perpendicular to the direction of the field. At what frequency does the electron traverse a circular path? (m el = 9.11 * 10-31 kg, e = 1.60 * 10-19 C)

A boat floats because of which force? A. Cohesive force B. Buoyant force C. Adhesive force D. Weight

Does only space have gravity?

State the basic law of magnetism

Which vocabulary term is survival of the fittest

An object weighs 32 newtons. What is its mass if a gravitometer indicates that g = 8.25 m/s2?

At what stage of a reaction do atoms have the highest energy? a. reactant stage b. product stage c. transition state stage d. The stage of highest energy depends on the atom.

A moon with a mass of 6.0 x 10 kg orbits about a planet with a mass of 5.0x 10^24 kg. They are 4.0 x 10^8 meters apart What is the gravitational force between them? The answer is 1.

What is the expression of the chemical composition of a compound?