Physics, 16.10.2019 04:10 trapvannah
Astronauts in orbit are apparently weightless. this means that a clever method of measuring the mass of astronauts is needed to monitor their mass gains or losses, and adjust their diet. one way to do this is to exert a known force on an astronaut and measure the acceleration produced. suppose a net external force of 50.0 n is exerted, and an astronautās acceleration is measured to be 0.893 m/s2 . (a) calculate her mass. (b) by exerting a force on the astronaut, the vehicle in which she orbits experiences an equal and opposite force. use this knowledge to find an equation for the acceleration of the system (astronaut and spaceship) that would be measured by a nearby observer. (c) discuss how this would affect the measurement of the astronautās acceleration. propose a method by which recoil of the vehicle is avoided.
Answers: 3
Physics, 22.06.2019 02:00
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Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( Ļ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
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Astronauts in orbit are apparently weightless. this means that a clever method of measuring the mass...
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