An astronaut is being tested in a centrifuge. The centrifuge has a radius of 9.50 m and, in starting, rotates according to θ = 0.110t2, where t is in seconds and θ is in radians. When t = 3.90 s, what are the magnitudes of the astronaut's (a) angular velocity, (b) linear velocity, (c) tangential acceleration, and (d) radial acceleration?
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Physics, 22.06.2019 01:00
Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.
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Physics, 22.06.2019 06:30
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
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Physics, 22.06.2019 15:50
How many neutrons does plutonium -196 with an atomic number of 78.
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An astronaut is being tested in a centrifuge. The centrifuge has a radius of 9.50 m and, in starting...
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