Physics, 05.06.2020 19:02 dannyboy938
an astronaut in a orbiting spacecraft is strapped to a spring with a constant 400N/m. if the oscillation period is 2.5 s what is the astronauts mass?
Answers: 3
Physics, 22.06.2019 00:30
Consider an ordinary, helium-filled party balloon with a volume of 2.2 ft3. the lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon. using this fact, we can derive archimedes’ principle, namely that the upward force on the balloon is equal to the weight of the air displaced by the balloon. assuming that the balloon is at sea level, where the air density is 0.002377 slug/ft3, calculate the maximum weight that can be lifted by the balloon. note: the molecular weight of air is 28.8 and that of helium is 4.
Answers: 2
Physics, 22.06.2019 04:00
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What is a carrier wave and how does it affect what you hear on the radio
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Physics, 22.06.2019 08:30
Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
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an astronaut in a orbiting spacecraft is strapped to a spring with a constant 400N/m. if the oscilla...
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