A material point in motion has a velocity that obeys the expression V = 20 - 4t. Find: a) initial velocity.
b) velocity in 2 seconds.
c) classification of the movement at 8 seconds (accelerated or delayed)

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.

How does the entropy of steam compare to the entropy of ice?

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?