By what factor will the electric force between two charged objects change if the charge on both objects is quadrupled

A. 1/4

B. 4

C. 8

D. 16

A 130-kW radio station broadcasts its signal uniformly in all directions. Part A) What is the average intensity of its signal at a distance of 7.

When a carousel is in motion, the movement of the carousel horse can best be described as?

How to find moment of inertia of hemisphere

What is the mass of a bowling ball?

If you push down on a table with a force of 5 newtons, what is the normal force pushing back to you

a subsrance has an atomic number of 80. How many protons and electrons do atoms of the substance have? what is the subsance?

Ideal meters problem. What internal resistance is ideal for a voltmeter? What internal resistance is ideal for an ammeter?

numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is required to raise it by 200 celsius

Psychologists avoid studying emotions because they have little impact on behavior T F

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.