Which of the following is a good conductor of electricity?
a. glasses
b. plastic
c. rubber
d. skin

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

What is the final velocity of the initial velocity of 25 and -50?

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3