Plugging a lamp into an electrical outlet gives the lamp a source of

a. current.

b. voltage.

c. resistance.

d. all of these

How does friction affect forward motion give an example

Rank the following from greatest energy to the least: a. A stationary 2kg ball 2m off the ground. b. A stationary 1kg ball 1.5m off the ground. c. A 1kg ball moving 3m/s, 2m off the ground. d. A 2kg ball moving 4m/s, 1.5 off the ground.

How may substance be tested to determine whether or not it is an element?

How is Mercury different from all of the other metals in the periodic table

Which of the following statements about braking a car are true? (more than one) A. The greater the kinetic energy of a car, the longer it takes for the car to stop. B. The lower the kinetic energy of a car, the longer it takes for the car to stop. C.

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel

Which agent of weathering breaks down limestone statues?

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge?

Earthquakes along the subduction zones near Sumatra and Chile are some of the strongest in the world.

What number is between 2000 and 2500