Coulombs

Two charges, q1=4C and q2=6C, are placed 2 meter apart. What is the magnitude of the electric force between them? Use k=8.99x10⁹Don't forget sig figs!

• 8.88x10¹⁰ N

• 4x10¹⁰ N

• 5x10¹⁰ N

• 4.5x10¹⁰ N

Tags

NGSS.HS-PS2-4

Two charges, q1=-2C and q2=+3C, are placed 1.5 meter apart. What is the magnitude of the electric force between them? Use k=8.99x10⁹

Don't forget sig figs!

• 2.39x10¹⁰ N

• 2x10¹⁰ N

• -2.4x10¹⁰ N

• 4.5x10¹⁰ N

Tags

NGSS.HS-PS2-4

Two charges, q1=5.0 C and q2=3.0 C, exert a force of 6.74×10¹⁰ N on each other. What is the distance between them? You are solving for r!
Use k=8.99x10⁹

Don't forget sig figs!

• 1.4 meters

• 1 meter

• 2.0 meters

• 2 meters

Tags

NGSS.HS-PS2-4

Two charges, q1=4.0 C and q2=6.0 C, exert a force of 5.5×10¹⁰ N on each other. What is the distance between them? You are solving for r!
Use k=8.99x10⁹Don't forget sig figs!

• 1 meter

• 1.9 meters

• 3.9 meters

• 4 meters

Tags

NGSS.HS-PS2-4

Two charges, q1=2.25 C and q2=3.15 C, exert a force of 7.25×10¹⁰ N on each other. What is the distance between them? You are solving for r!
Use k=8.99x10⁹

Don't forget sig figs!

• .9 meters

• 1 meter

• .937 meters

• .879 meters

Tags

NGSS.HS-PS2-4

Two charges, q1=2. C and q2 are 3 meters apart. The electrical force between them is 3.99×10¹⁰ N. What is the magnitude of q2?
Use k=8.99x10⁹

Don't forget sig figs!

• 20 C

• 8 C

• 88 C

• 4 C

Tags

NGSS.HS-PS2-4

Two charges, q1=5. C and q2 are 2 meters apart. The electrical force between them is 1.12×10¹⁰ N. What is the magnitude of q2?
Use k=8.99x10⁹Don't forget sig figs!

• 1 C

• 12C

• 88 C

• 4 C

Tags

NGSS.HS-PS2-4

According to Newton's 3rd Law, what happens when opposite charges interact?

• They repel each other with equal magnitude of force.

• They attract each other with equal magnitude of force.

• They have no effect on each other.

Tags

NGSS.MS-PS2-3

Fill in the blank: When the distance between the charges was doubled, the electric force was ________.

• quartered.

• doubled.

• halved.

• unchanged.

Tags

NGSS.HS-PS2-4

The magnitude of the force depends on the amount of ______ on the objects and the distance between them.

• charge

• mass

• velocity

• temperature

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4