"The water supply for a city is often provided from reservoirs built on high ground. Water flows from the reservoir, through pipes, and into your home when you turn the tap on your faucet. Why does water flow more rapidly out of a faucet on the first floor of a building than in an apartment on a higher floor?"
How does pressure effect the water flow?
"During a time interval of exactly one period of vibration of a tuning fork, the emitted sound travels a distance: "
"A. equal to the length of the tuning fork B. equal to twice the length of the tuning fork C. of about 330m D. which decreases with time E. of one...
"Afire whistle emits a tone of 170Hz. Take the speed of sound in air to be 340m/s. The wavelength of this sound is about: "
"A. 0.5m B. 1.0m C. 2.0m D. 3.0m E. 340m"
"A soundwave has a wavelength of 3.0m. The distance from a compression center to the adjacent rarefaction center is: "
"A. 0.75m B. 1.5m C. 3.0m D. need to knowwave speed E. need to know frequency"