Physics, 06.04.2021 20:40 abdullahs4639
A copper is 4 cm long at 10 Cº. The coefficient of linear expansion for copper is 1.7 x 10-5 (Cº)-1. Calculate the change in length (AL). when it is at 70 Cº.
Answers: 1
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Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
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Observations show that interstellar clouds can have almost any shape and
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Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
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Physics, 22.06.2019 19:50
What are the dimensions of the cross section that passes through the points a, f, g, and d?
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A copper is 4 cm long at 10 Cº. The coefficient of linear expansion for copper is
1.7 x 10-5 (Cº)-1...
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