If the motor has an efficiency of ϵ = 0.6, determine the power that must be supplied to the motor when the elevator is hoisted upward at a constant speed of ve = 4 m/s.

When earthquakes produce vibrations called waves, how do those waves travel?

An object has an acceleration of 0 m/s². Does this mean that the object must be stationary?

Which type of society existed for the longest time in human history? a) hunter-gatherer societies b) horticultural societies c) pastoral societies d) agricultural societies

the resistor has a resistance of 3 ohms. If no change in the battery size occurs, what will happen to the current if the resistance increases to 6 ohms?

Which sentence uses the correct adverb to make a comparison? A.) Sherry writes to me most frequently than Pablo. B.) Sherry writes to me frequently than Pablo. C.) Sherry writes to me more frequently than Pablo.

What is the best hypothesis to use for this investigation

Quantum physics would most likely be needed to understand the motion of which of the following? A. an atom B. a cell C. a ball D. a galaxy

Sharon throws a 0.20 Kg with an acceleration of 10 m/s/s. (a) What force did she exert on the ball? (b) What force did the ball exert on her?

What are three ways that extra carbon is getting to the atmosphere?

A girl runs 20.9 m/s East for 13.7s. How far does she go?