ANYONE WANT TO ZOOM WITH ME i choose a random ssubject its not about phisics

Acube has a volume of 2011 cubic inches. what is the angle measure between a side of a cube and its interior diagonal?

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.

Often called simply "velocity," this is the velocity of an object at a particular moment in time.