It is important that a frame of reference
be moving
be consistent
be still
be large

An object's buoyant force and weight mean the same thing. a. trueb. false

The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.

What do we mean by the event horizon of a black hole?