When light shines on a metal surface, the maximum energies of emitted electrons:

1. vary with the intensity of the light

2. vary with the frequency of the light

3. vary with the speed of the light

4. are random

What happens to the charge on the conductive sphere when it is connected to a source of charge such as the electrostatic voltage source?

Select all that apply. Which of the following statements are true? A solid can diffuse into a liquid, but a solid cannot diffuse into another solid. A solid can diffuse into both a liquid and another solid. Aliquld can diffuse into another liquid.

A 15 g bullet is fired horizontally into a block of wood with a mass of 2.5 kg and embedded in the block. initially the block of wood hangs vertically and the impact cause the block to swing so that it its center of mass rises 15 cm.

If there are 50 grams of U-238 on day zero of radioactive decay, how much will there be after 4.5 billion years

Wegener named the supercontinent Pangaea, which means

Sheila lives in the seashore community of Beachview. At 6:00 a. m. one morning, she noticed that the local ocean water was at high tide. At approximately noon that same day, she noticed the water was at low tide.

How many pounds are in 427.06 g? 1 gram = 2.20 * 10-3 lb A. 194,118 lb B. 194.12 lb C. 939 lb D. 0.939 lb

Identify the possible source of earth's magnetic field

A nurse applies a horizontal force of 147 N on a bed that has a mass of 152 kg, The magnitude of the normal force acting on the bed is .967 N 5.00 N 1440 N 1490 N

What do scientists use to look at cells, tissues, and small organisms to see how their biological processes differ in space? vibration flybys airlock microgravity