What does it mean when work is positive?

Two students pushes on a box in the same direction, and one pushes In The opposite direction. what is the net force on the box if each pushes with the force of 50N?

Which of the following is an example of a concave mirror? surveillance mirror car side mirror reflecting telescope microscopes

Which of these is the best definition of a fuel cell?

A person is riding in a car traveling 89 km/h from west to east along the Earth's equator. Earth rotates at this latitude at 1670 km/h in the same direction as the car travels.

A parallel-plate capacitor consists of a set of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference across the plates.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.