What happens when a lamp plugged into an electrical outlet is turned on?

A.

Energy is gained.

B.

The form of energy changes, but the total energy remains the same.

C.

Energy is lost.

D.

The form of energy changes and the total energy increases.

What is a bicyclists velocity if it took it 45 seconds to travel 202.5 meters to the left

Identify three different kinds of Physical change that could happen to a plastic spoon

Compare and contrast power and work.

A positive rod is placed to the left of sphere A, and the spheres are separated. Which best describes the spheres? Sphere A is negative and sphere B is positive because protons from sphere A are attracted to the rod and move to sphere B.

Suppose an extraction with methylene chloride (d = 1.33 g/mL), also called dichloromethane, is performed with the desired compound initially in brine (d = 1.04 g/mL). In a separatory funnel, which layer will be the organic layer?

A car's speedometer reads 20 m/s after accelerating, from a standing start, for 25s. What was the magnitude of its acceleration?

What happens to the period of a pendulum and the period of a spring as the amplitude of the oscillation increases? Briefly give an explanation for this relationship.

The element that is most abundant in earth is

Your car travels 600 miles in 6 hours. You stop the car for lunch for 1 hour and then you continue on your trip for another 14 miles and finish the entire trip in 8 hours. What was your car's average speed while you were driving?

Speed is a vector quantity