Which of the following churches contains great examples of the use of ribbed vaulting?

a. Durham Cathedral

b. St. Etienne

c. Church of San Clement

d. Both A and B

Who invented the circuit?

Wood is an example of a translucent material. True False

Is thermal energy the most common type of energy lostnin electrical devices

Which of the following is an example of electrical energy being converted to chemical energy? A. A storage battery is charged using an electric current. B. An electric furnace begins to emit heat to warm a house. C.

A microwave is rated at 750 watts. How long will it take the microwave to do 5700 J of work on a cup of water? Assume 100% efficiency. A) 0.13s B) 2s C) 7.6s D) 4,275,000 s

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)

For resonance to occur, the object must experience a frequency equal to its what? amplitude period wavelength natural frequency

Rasheed runs a football 10 meters east, turns and runs the football 6 meters west. If his velocity during this run is found to be 3 meters/second, how long does this take Rasheed to complete this run?

What is the approximate weight of a 20-kg cannonball on the moon if the acceleration due to gravity is 1.6m/s^2

A man consumes 2245 kcal of food in one day, converting most of it to maintain body temperature. If he loses half this energy by evaporating water (through breathing and sweating), how many kilograms of water evaporate?