Rotational Kinetic Energy: A uniform solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an angular speed of 33.4 rpm. What is its kinetic energy?
A. 0.18 J
B. 0.092 J
C. 0.96 J
D. 1.1 J
E. 17 J
Answer: B
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Michael and Misty are standing motionless together on the ice at the center of a very slippery frozen pond. Michael (mass 75. kg) pushes Misty (46. kg), giving her an acceleration of 1.8 m/s2 for 0.17 s while they were in contact
(a) What is Michael's acceleration? (b) Who exerts the greater force on the other? (c) What is Michael's speed relative to Misty?
According to the first law of thermodynamics, the sum of the heat gained by a system and the work done on that same system is equivalent to which of the following?
a. entropy change c. temperature change b. internal energy change d. specific heat
2.00 moles of an ideal gas is at a pressure of 1.50 atmospheres and fills a volume of 2.00 liters. What is the average kinetic energy per particle in the gas?
a. 
b. 
c. 
d. 
e. 
The current definition of the standard meter of length is based on
A) the distance between the earth's equator and north pole. B) the distance between the earth and the sun. C) the distance traveled by light in a vacuum. D) the length of a particular object kept in France.