Dr. Brahim and her band, Test Tubes, played every weekend before the pandemic at a sold-out venue in Vegas. The lead instrumentalist used a test tube
(closed-end air column) with a 17.2 cm air column. The speed of sound in the
test tube is 340 m/sec. Find the frequency of the first harmonic played by this
instrument.

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

thermal energy is the answer

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.

total distance/total time

(85 + 82)/(5+3)

167/8

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