Physics, 18.11.2020 06:00 madisonhusbands1458
Helium is an inert gas used in lighter-than-air crafts like blimps because
it is nonflammable. It is formed deep underground over millions of
years as a by-product of the formation of natural gas. Almost all of the
world's helium is found in deep deposits of natural gas within 250 miles
of Amarillo, Texas. Helium can be considered what type of natural
resource? SC. G.2.3.1
A. a fossil fuel
B. a renewable resource
C. a part of the carbon cycle
D. a nonrenewable resource
Answers: 1
Physics, 21.06.2019 21:20, edmistontrace53
Abearing is designed to a reduce friction b. support a load c. guide moving parts such as wheels, shafts and pivots d. all of the above
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Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 18:30, SoccerHalo
Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
Answers: 2
Helium is an inert gas used in lighter-than-air crafts like blimps because
it is nonflammable. It i...
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