A small glass bead has been charged to 7.6 nC. What is the magnitude of the electric field 2.0 cm from the center of the bead? (k = 1/4πε 0 = 8.99 * 109 N · m2/C2)

Two light bulbs, A and B, are connected to a 120-V outlet (a constant voltage source). Light bulb A is rated at 60 W and light bulb B is rated at 100 W. Which light bulb has a greater filament resistance?

Gerry and Lena work in a modern physics laboratory and study nanotechnology, which is a new type of technology that allows control over individual particles as small as molecules or atoms.

For a ship moving against the current, it takes 9 hours to cover a distance of 113.4 miles. how much does it take this ship to return if the rate of the current is 1.9 mph?

Which of the following stars has the highest surface temperature? A. red star B. blue star c. yellow star D. orange star

What are the inner planets relative distance from the sun

What is most likely the relationship between Mendel's rules of genetics and Darwin's idea of biological evolution? Mendel's genetics states laws that are now part of the theory of biological evolution.

Why would it be a problem if your household appliances were connected in a series circuit

An object with a mass of 100 g is in free fall. What is the speed of the object after it has fallen for 4 seconds? A. 39 m/s B. 9.8 m/s C. 25 m/s D. 96 m/s

How was the water filtered to remove debris and living organisms?

What causes physical vibrations in transformers at twice the frequency of the AC power involved.