What is the antimatter equivalent of the electron?

a. neutrino

b. positron

c. lepton

d. fermion

1.5 m3 of water is mixed with 0.50 m3 of alcohol. The density of water is 1000 kg m-3 and the density of alcohol is 800 kg m-3. What is the density of the mixture with volume 2.0 m3?

Calculate the power provided by a 12 volt car battery with a rating of 350 amperes. A) 30 W B) 220 W C) 1200 W D) 4200 W

The solar power striking Earth every day averages 169 watts per square meter. The peak electrical power usage in New York City is 12,000 megawatts.

Calculating Final Velocity A roller coaster is traveling at 13 m/s when it approaches a hill that is 400 m long. Heading down the hill, it accelerates at 4.0 m/s2.

A property that describes how easily a substance undergoes chemical changes

What is the rate at which work is done in lifting a 35 kg object vertically at a constant speed of 5 m/s? 1 1700 W 2 340 W 3 180 W 4 7.0 W

The owner of a window treatment company wants to design Shades that will cover the windows of the house.

What direction of magnetic field lines inside my magnet

A solid nonconducting sphere of radius r has a charge q uniformly distributed throughout its volume. a gaussian surface of radius r with r < r is used to calculate the magnitude of the electric field e at a distance r from the center of the sphere.

How do the properties of salt compare with the properties of sodium and chlorine