Coins were developed as a medium of exchange because other items like cows, grain, and land were more difficult to move from place to place.

Calculate the inductance of a solenoid that is 1.7 cm long and 3.3 mm in diameter, with 195 turns of wire.

How is the maunder minimum related to climate? a. changes in the earth's orbit correlate to changes in climate. b. unusually low sunspot activity correlates to unusually cold climatic events. c. the maunder minimum is unrelated to climate. d.

2. If y = 259 m/s and d = 45683 m, what is t?

The formula for sodium sulfide is na2s what does it mean

The acceleration produced by a net force on a body is inversely proportional to the mass of the body. a. True b. False

The period T of a simple pendulum depends on the length L of the pendulum and the acceleration of gravity g (dimensions L/T^2). (a) Find a simple combination of L and g that has the dimensions of time.

What is an example of the theory that the best adapted organisms for an environment are the ones most likely to survive

What does not affect the apparent brightness of a star?

What happens when Dr. Hewitt places a current - carrying wire between the poles of the magnet for the first time?

The football player running toward the goal line has A. Potential energy B. Chemical energy C. Kinetic energy D. Elastic potential energy