Physics, 20.08.2019 02:30 Trinhphuongtran
Acircular ice rink 25 m in diameter is enclosed by a hemispherical dome 35 m in diameter. if the ice and dome surfaces may be approximated as black bodies and are at 0 and 15c, respectively, what is the net rate of radiative transfer from the dome to the rink?
Answers: 2
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Select the three ways that the parallel-plate capacitor differs from a car battery.
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Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)
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Which wave is the result of amplification and produces a louder sound
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Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
Answers: 1
Acircular ice rink 25 m in diameter is enclosed by a hemispherical dome 35 m in diameter. if the ice...
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