Why are gases poor conductors of heat? A. Particles in a gas do not collide. B. Particles in a gas collide more often. C. Particles in a gas collide less often.

Atoms with the same atomic number but different atomic mass are called

A thin beam of light of wavelength 625 nm goes through a thin slit and falls on a screen 3.00 m past the slit. You observe that the first completely dark fringes occur on the screen at distances of ±8.

What causes the force of gravity to increase?

A bowling ball has a mass of 6 kg what happens to its momentum when its speed increases from 2 m/s to 4 m/s

The temperature of a solution can change the solubility of a substance. The chart shows the solubility of the same solute at different temperatures in water.

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time

Brittany stands at rest on a skateboard. the combined mass of brittany and the skateboard is 62 kg. dave tosses a 3.7-kg pumpkin to brittany, and when she catches it, she and the skateboard begin to roll backward with a speed of 0.16 m/s.

The maximum restoring force that can be applied to the disk without breaking it is 40000 n. what is the maximum oscillation amplitude that won't rupture the disk

Which is a vector quantity speed or velocity