What is the period of a wave if 3 waves pass every 6 seconds?
a. 0.5 s
b. 2 s
c. 3 s
d. 6 s

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

The discovery of the electron as a subatomic particle was a result of