In and electric circuit, where do the electrons come from that flow in the circuit

A physicist found that a force of 0.68 N was measured between two charged spheres. The distance between the spheres was 1.0m. Calculate the force between two spheres when the distance between the spheres was decreased by. 50m.

A scientist finds a new life form. The life form is 2 meters tall. It makes its own food. It has tubes that carry food and water through it. It reproduces by making seeds.

You are a mechanic in a garage and are working on a carburetor that is made of metal, has a glass inspection window and plastic gears for the choke.

How are fan blades an inclined plan

When density increases, what happens to the number of molecules in a volume of air?

Why does a charged balloon stick to a neutral wall?

While the cart is moving along an aisle, it comes in contact with a smear of margarine that had recently been dropped on the floor. Suddenly the friction force is reduced for - 40.0 newtons to - 20.0 newtons.

When a solo eclipse occurs. It is seen in

Newtons third law describes the forces between two colliding objects. use this connection to explain the forces acting when you kick a soccer ball

In the heat equation, what does c represent