Nicholas spends 20 minutes ironing shirts with his 1,800-watt iron. How many joules of energy were used

by the iron?

If an individual is right-handed, under most circumstances it would be safe to assume that their right arm is stronger and more fatigue resistant, since it is probably used to carry out a majority of daily tasks. a. True b. False

A wire is first bent into the shape of a triangle. each side of the triangle is 20cm long. then the wire is bent and shaped into a square. what is the length of a side of the square

If a magnet is put inside one coil of wire a voltage is produced. What will happen if the magnet is put inside two coils of wire

The energy associated with the motion and position of an object is called A. kinetic energy. B. potential energy. C. gravitational potential energy. D. mechanical energy.

What is the density of lead (in g/cm3) if a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 218.9 g? express your answer using two significant figures?

What is one benefit of a switch in a circuit?

When you see a straw in a glass of water it looks bent why is this?

Compare the energy and wavelength of a microwave to the energy of a gamma ray.

T/F all compounds are molecules but NOT all molecules are compounds.

particle is projected from the surface of the planet Krypton with a speed equal to 3.6 times the escape speed from that planet's surface.