When bases are in solution with water, they are known as:

a.

Acids

c.

Sols

b.

Alkalis

d.

Ionic bases

What is the difference between Electromagnetic Force and Electromagnetic Field?

What light receptor cells allow you to perceive color

A customer sits in an amusement park ride in which the compartment is to be pulled downwards in the negative direction of y axis with accelaration magnitude of 1.24 g (g=9.8 m/sec ^2). A 0.567 gms coin is placed on customers knee.

Which of the following is a result of gravitational forces in the Solar System? A. the radiation given off by Jupiter B. Saturn is further away from the Sun than Earth C. the difference in surface temperature on each of the planets D.

If light travels exactly 1 meter in 1/299,772,458 of a second, how many kilometers does it travel in 3.00 years? for this question, 1 year = 365.25 days.

If earth somehow expanded to a larger radius, with no change in mass, how would you're weight be affected? How would it be affected if earth shrunk?

Consider a helium balloon on a string tied to the seat of your stationary car. The windows are closed, so there is no air motion within the car. The car begins to accelerate forward. Which way will the balloon lean, forward or backward

The force of gravity acts upon meteors from the rocky asteroid belt between mars and Jupiter. Where is the force of gravity most likely to pull these meteors

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. Which of the following best describes how such a telephone is able to transmit and receive information? A.

Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder.