A neutral metal comb is held near an object with a negative charge.

What happens to the comb?

A. The comb is charged by contact.

B. The comb is charged by friction.

C. The comb is charged by static discharge.

D. The comb is charged by induction.

Balance NH3+HCl to NH4Cl

Which of the following is not an example of approximate simple harmonic motion? A. a ball bouncing on the floor B. swinging chandeliers C. oscillations of air molecules that transmit sound D.

How did Nicolaus Copernicus Revolutionize astronomy in the early 16th century?

Your family decided to go to sea World in San Antonio this weekend. If it takes your Dad 4 hours to drive to San Antonio, which is 252 miles away, what would be your Dad's average speed? A. 48 mph C. 63 mph B. 73 mph D. 58 mph

Where is the sun at midday (noon) ?

Since you've determined that the power supply is a 700W dual rail, what does that make the maximum output power?

A 2 m length of an aluminum pipe of 240 mm outer diameter and 10 mm wall thickness is used as a short column to carry a 640? centric axial load. Knowing that? = 73? P? and? = 0.

A python can detect thermal radiation from objects that differ in temperature from their environment as long as the received intensity of thermal radiation is greater than 0.60 W/m2. Your body emits a good deal of thermal radiation.

A planet has a mass of about 6.4 x 1023 kg, and its moon has a mass of about 9.6 x 1015 kg. if the magnitude of the gravitational force between the two bodies is 4.6 x 1015 n, how far apart are the planet and its moon? a. 9.4 x 106 c. 4.6 x 109 b. 2.

Is burning a nonrenewable natural gas a chemical change