When analyzing a system in physics, what must be included next to measurable quantities?

A dielectric material such as paper is inserted between the plates of a capacitor as the capacitor holds a fixed charge on its plates. What happens to the electric field between the plates as the dielectric is inserted?

Dash is standing on his frictionless skateboard with three balls, each with a mass of 155 g, in his hands. The combined mass of Dash and his skateboard is 65 kg.

The number of magnetic field force lines passing through the given surface determines: 1. magnetic flux 2. magnetic induction 3. magnetic force?

A student compresses the spring in a pop up toy. 020 meter if the sprinf has a spring constant of 340 newtons per meter how much energy is being stored in the spring

How many daylight hours is there during a spring equinox?

The horsepower unit is commonly used to indicate the power rating of household appliances.

A 50.9 kg box initially at rest is pushed 5.65 m along a rough, horizontal floor with a constant applied horizontal force of 247.25 N. If the coefficient of friction between box and floor is 0.466, find the work done by the applied force.

Which of the following best defines absolute threshold? A. The presence of stimulus for detection. B. The absence of stimulus from detection. C. The weakest amount of stimulus one can detect. D. The greatest amount of stimulus one can detect.

Liquid hazardous wastes are blended in a CSTR to maintain a minimum energy content before burning them in a hazardous waste incinerator. The energy content of the waste currently being fed is 8.0 MJ/kg (mega - joules/kilogram).

Explanation's of E=MC²