Two charges that are separated by one meter exert 1-N forces on each other. If the charges are pushed together so the separation is 25 centimeters, the force on each charge will be

A) 1 N.
B) 2 N.
C) 4 N.
D) 8 N.
E) 16 N.


Answer: E

Physics & Space Science

You might also like to view...

A beam of protons in an accelerator incident on a metal plate carries a current of 150 ?A. How many protons strike the plate in 24.0 s?

a. 1.60E+5 b. 3.60E+9 c. 2.25E+16 d. 3.91E+13

Physics & Space Science

What happens after the helium flash?

A) The core suddenly contracts. B) The star breaks apart in a violent explosion. C) The core stops fusing helium. D) The core quickly heats up and expands. E) The star starts to fuse helium in a shell outside the core.

Physics & Space Science

A single force is acting on an object. Which type of motion is not physically allowed?

A. the object speeds up B. the object is at rest C. the object slows down D. the object's motion changes direction

Physics & Space Science

If you stood on a planet having a mass four times that of Earth's mass, and a radius two times that of Earth's radius, the gravitational force that the planet exerts on you would be

A) the same as Earth exerts on you. B) two times more than Earth exerts on you. C) two times less than Earth exerts on you. D) four times more than Earth exerts on you.

Physics & Space Science