How is heat transferred through radiation?
a. through electromagnetic waves
b. through the motion of hot and cold liquid
c. through the rising of a warm gas
d. through the direct contact of particles

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Which of the following is not am example of a polymer? protein nylon kevlar concreta