Mon 12 Dec, 2005 12:10 am - For an average molecule of nitrogen gas at 0 degrees Celsius, what are its:
a) translational kinetic enery
b) rotational kinetic enery
c) total enery (view)
Mon 12 Dec, 2005 12:07 am - A diver releases an air bubble of volume 2.0 cm cubed from a depth of 15 m below the surface of a lake, where the temperature is 7.0 degrees Celsius. What is the volume of the bubble when it... (view)
Thu 1 Dec, 2005 03:33 pm - Would mv+mv = mv + mv be the right setup? (The first mv being for the 1st mass and its inital velocity. The second mv for the 2nd mass and its initial velocity. The third mv for the 1st mass and... (view)
Thu 1 Dec, 2005 03:17 pm - I think I figured it out. The acceleration due to gravity is proportional to 1/r^2. Therefore, if it is 4 times greater a distance 4^2 is 16. This would make the answer 1/16. I hope I'm right.... (view)
Thu 1 Dec, 2005 03:13 pm - Okay you smarties... please help a confused college student out!
You find yourself on a sheet of absolutely frictionless ice, carrying a 5.5 kg bowling ball. You are 18.5 meters from the nearest... (view)
Thu 1 Dec, 2005 12:21 pm - If there is no external torque acting on an object then the object's ______ is zero.
a) angular velocity
b) moment of inertia
c) angular acceleration
d) angular momentum
I think the... (view)
Thu 1 Dec, 2005 12:19 pm - A hot air balloon stays aloft because
a) hot air is more dense than cold air
b) the buoyant force F is less than the weight of the balloon and its load
c) the burners provide thrust to offset... (view)
Thu 1 Dec, 2005 12:11 pm - If the distance between an artificial satellite and a planet's center increases by a factor of 4, then the attraction between the satellite and planet changes to a factor of
a) 1/2
b) 1/4... (view)
