Which of the following materials is an insulator against current?

A. Copper wire.

B. A rubber tire.

C. A silver necklace.

D. A light bulb filament.

The walls of a room have a total of 60 square meters. how many pints of paint will it take to cover all the walls if a single pint can cover 36 ft squared

A Journey through the solar system

Consider the uniform electric field E = (2.5 j + 3.5 k) * 103 N/C. (a) Calculate the electric flux through a circular area of radius 2.5 m that lies in the yz-plane. Give your answer in N·m2/C.

Which of the following material offers the highest resistivity? wood gold glass lead

A car moving 14.4 m/s has 18,100 kg•m/s of momentum. What is its mass?

Which of the following describes the flow of charges through a wire or a conductor?

What is the kinetic energy of a 2 kg snowball thrown through the air at 5 m/s?

A 5.00*105-kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. what is the force constant k of the spring

A moving object always has energy in its?

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?