Why wouldn't a person weigh as much on the moon as on Earth?

A.

The moon makes a person weightless.

B.

The moon has less mass than the earth.

C.

The earth supports a person's weight.

D.

There is no atmosphere on the moon.

2. What is the kinetic energy of a 7.26 kg bowling ball that is rolling at a speed of 2 m/s?

A boy is pulling a wagon with the force of 5N. A girl is pushing on the same wagon in the same direction with a force of 3N. What is the new force acting on this wagon?

Is electricity a compound, element, or a mixture?

A light with a second-order dark band forms a diffraction angle of 20.0°. The diffraction grating has 200.0 lines per mm. The wavelength of the light, to the nearest whole number, is nm.

How long must a simple pendulum be if it is to make exactly one swing per six seconds? (that is, one complete oscillation takes exactly 12 s.) ?

Can you get sunburned through glass?

Which statement about a signal transduction pathway is true? a. A signal transduction pathway provides a means for a signal molecule to pass through the cell membrane and initiate a chain of events inside the cell. b.

If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be A. greater than the force of friction exerted upon the car. B. less than the force of friction exerted upon the car. C.

Tom stops using a new skin cream for five days to determine if the cream is the cause of a recent rash. What stage of the scientific method is Tom using?

Use your observations to determine qualitatively how the strength of the electric interaction between charged objects depends on the distance between them. Explain your reasoning (this is trickier than it might seem at first).