Quiet operation of a fan depends mostly upon the

A. motor balance.

B. balance of the blades.

C. weight of the blades.

D. material of the blades

Why does a car burn more gasoline traveling in a city than it does traveling on an interstate?

An ice cream truck is going 25m/s to East. It accelerates to 40m/s in the same direction over 3s. What is its acceleration

Which scenario requires the most power?

Find the sum of two vectors: x = 5m 60° and y = 6m 150°

A professor sits on a rotating stool that is spinning at 10.010.0 rpm while she holds a heavy weight in each of her hands. Her outstretched hands are 0.7850.785 m from the axis of rotation, which passes through her head into the center of the stool.

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.