What is the timeline for the law of conservation of energy

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What are igneous intrusions and extrusions

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.