At a country music festival, a band is playing at the end of a crowded
1947 m field when one o...
Physics, 31.03.2020 23:09 hopeschr2019
At a country music festival, a band is playing at the end of a crowded
1947 m field when one of the players hits a note on the keyboard that has
a frequency of 400 Hz. (HINT-find the wavelength first) How many full
wavelengths are there between the stage and the last row of the crowd?
Answers: 3
Physics, 21.06.2019 18:00
Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?
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The energy released by a nuclear fusion reaction is produced when
Answers: 1
Physics, 22.06.2019 19:30
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.6 m below the tank bottom which is a = 6.7 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute). report your answer in meters to two decimal places.
Answers: 1
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