which changes will decrease the electric force between two positively charged objects? select two options

What is an atomic nucleus?

Which would have more friction, a car traveling down a street or a toy remote-control car traveling on the same street? Why?

How many electrons are shared between one nitrogen and one carbon atom

A ball is thrown at an angle upward from a raised platform. It is released from a height of 2.1m above the ground. The ball raises into the air and comes back to land on the ground 4.2s later a horizontal distance of 40.0m away.

What are the formulas for Kinetic energy and Potential energy?

What should a free-body diagram look like for a skydiver that is still speeding up as he falls? There is an arrow up for air resistance and an arrow down for gravity. The arrows are the same length.

As a rocket moves farther and farther upward from the launch pad, what happens to the strength of Earth's gravitational field around the rocket? a. It gets weaker. b. It grows stronger. c. It remains constant.

Sully uses a battery and a coil of wire to create an electromagnet. Using the same materials, if he wants to increase the strength of his electromagnet, he must the number of loops in the coil of wire along its length.

How long does it take for light from a star that is 8 light years away to reach Earth? Question 7 options: 8 earth minutes 16 earth minutes 8 earth years 16 earth years

Why does water in hot springs always remain hot? Why doesn't it's thermal energy spread out?