Through which one of the following mediums is the velocity of a sound wave the greatest?

A. Lead

B. Air

C. Water

D. Steel

What is the fundamental unit for measuring mass in the metric system?

A student jumps straight up from a diving board that is 3.1 m above the water and hits the water 2.4 seconds later. With what velocity did the student Jump?

James Joule is credited to be the first to demonstrate a clear connection between mechanical work and heat. a) True b) False

New York is roughly 3000 miles from Seattle. When it is 10:00 A. M. in Seattle, it is 1:00 P. M. in New York.

Which type of energy is stored energy? chemical kinetic mechanical potential

If momentum is conserved in a collision, does this indicate conclusively that the collision is elastic?

The acceleration of gravity means that for each second that passes, falling objects move 9.8 meters. A. True B. False

Explain, using numbered steps, how you could find the volume of a small, irregularly shaped rock.

Which of the following is not a receptor pair according to the opponent process theory? A. red versus green B. yellow versus blue C. black versus white D. yellow versus red

A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. what is the dependent variable in this experiment?