A ship was traveling across the Atlantic Ocean. It traveled 2,000 kilometers at a rate of 40 kilometers per hour. How long did it take the ship to travel this distance?

A.

0.02 hr

B.

40 hr

C.

50 hr

D.

80,000 hr

Aspartic acid is a polypeptide side chain found in proteins. The pKa of aspartic acid is 3.86. If this polypeptide were in an aqueous solution with a pH of 7, the side chain would have what charge?

If you apply 1.0 N of force to lift an object with a single-fixed pulley, then what is the resistive force? A man pulls a box with a rope parallel to the ground. He pulls the box 100.0 m and does 5,000 J of work.

Which statement describes the relationship between chromosomes, genes, and alleles? a. Alleles are sites on a chromosome that genes bind to. b. A chromosome's specific section is called a gene. Alleles are variations of a gene. c.

In which tool are uranium atoms split to make electricity? A. turbine B. generator C. reactor D. condenser

Oxidation-reduction reactions often result in the release of what type of energy a. heat b. solar c. potential d. mechanical

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?