A wheel on an axle or shaft that is designed to

support movement and change of direction of a

taut cable or belt, or transfer of power between

the shaft and cable or belt.

What is the medium of sound waves from a speaker

A person who gives up citizenship in a country and moves to another is called a. a naturalized citizen. c. an illegal alien. b. an attorney. d. an expatriate.

6. A capacitor of charge 3 x 10 coulomb has a potential of 50volts. What is the capacitance of the capacitor?

How is the color of a star related to its temperature?

If a constant force of 20N is applied to a cart, how much power does the force exert on the cart when it reaches a speed of 4m/s?

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

What would scorch marks on fabric near bullet wound indicate?

The heat added to a thermodynamic system minus the work done is equal to which of the following? A. the heat lost from the system B. the internal energy C. the total heat added to the system D. the Carnot efficiency of the system E.

How many kilometers are in 14,000 centimeters

In later years, motors improved and could be run directly from a 60 Hz power supply. As a result, 25 Hz power systems shrank and disappeared.