The watt•second is a unit of

(1) power

(2) energy

(3) potential difference

(4) electric field strength

Classify each of the following as a physical change or a chemical change. a) grinding glass: b) rusting of iron: c) burning a candle: d) sanding wood:

Why is nuclear fusion possible in the core of stars? A. Hydrogen only exists in the core of stars. B. Hydrogen and helium nuclei require a lot of light to bond together. C.

What is the difference between positive and negative acceleration?

What is f = ma derivation?

Which of the following is a consequence of abuse only? Dangerous and can have many serious consequences. Develops into a physical and/or psychological need for a substance. Inappropriate use of drugs due to ignorance.

How much kinetic energy does a moving 6 kg object have If It moves with a velocity of 3 m/s?

List the different types of electromagnetic readiation (waves) in order from shortest wavelength to longest wavelength

Which way does the Coriolis effect deflect objects in the Northern Hemisphere To the south To the right To the left To the north

Let T be a linear transformation from a vector space V with dimension 11 onto a vector space W with dimension 7. What is the dimension of the nullspace of T?

What is the fundamental unit for measuring mass in the metric system?