What is an object that allows some electrons to go through it

- current

- resistor

- generator

Upon conducting a visual inspection of the server room, you see that a switch displays LED collision lights that are continually lit.

Why don't' we use vacuums anymore to collect hair and fibers?

Compare tidal range to spring tide

Which part of the wave is changed when there is interference? A. the amplitude B. the crest C. the trough D. the wavelength

Why does sound waves travel faster in solids and liquids than in gas

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.

In order to hike around a portion of Lake Allatoona, a tour guide determines that he must take his group 150 m east, 60 m north, then 75 m west.

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.