3 common states of matter

If one charge is quadrupled, what happens to the force between charges?

The atmosphere is full of nitrogen and oxygen. These are

A box (FW = 20 N) is placed on a ramp with a 60° incline. Which of these is an expression for the component of the weight parallel to the ramp? A. FW = 20 N * sin60° B. FW = 20 N * cos60° C. FW = 20 N * tan60° D. FW = 20 N

Which is an example of a polyatomic ion? H2 CO3- Mg+ Ne + -

As a new electrical technician, you are designing a large solenoid to produce a uniform 0.160 {/rm T} magnetic field near the center of the solenoid. You have enough wire for 4200 circular turns. This solenoid must have a length of 1.

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False