Electromagnetic force is present when electromagnetic field is what?

Many people work near a source of nuclear radiation to detect the amount of exposure they have to radiation they most likely will use a

How do intermolecular forces (IF) and internal kinetic energy (KE) compare in liquids? A. IF < KE B. IF = 0, KE is large C. IF ≥ KE D. IF > KE

The time it takes the block to complete one cycle is called the period. Usually, the period is denoted T and is measured in seconds. The frequency, denoted f, is the number of cycles that are completed per unit of time: f=1/T.

Copper has a density of 8900kg/m³. Calculate the mass of 2.8m³ of copper in kilograms.

One end of rod A is placed in a cold reservoir with a temperature of 5.00°C. The other end is held in a hot reservoir at 85.0°C. Rod A has a length L and a radius r.

All of the fallowing are possible sources of error in a scientific investigation exept for a. measuring the materials of an experiment incorrectly. b. not controlling all the variables in an experiment c.

If you had been traveling that fast and the light actually was yellow, what color would it have seemed to you? a. yellow b. blue c. red d. orange e. invisible (ultraviolet or infrared)

two forces 5N and T act on a stone and are directed due north west and north east respectively. If the 5N force makes an angle 60° with the vertical and the weight of the stone is 4N, find the magnitude of the force T

If a pizza delivery guy declares himself the leader over the other pizza delivery people, he probably won't have many people obey any rules he makes. Why? People are more likely to obey people that are just like themselves.

A unit vector is used in the symbolic representation of the electric field. What physical units does the unit vector have? meters. The unit vector has no units. coulombs. The units depend on how it is used.