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An electric motor can accelerate a Ferris wheel of moment of inertia I = 18500kg·m2 from rest to 10.1rev/min in 12.0s. When the motor is turned off, friction causes the wheel to slow down from 10.1 to 8.1 rev/min in 10.0s.
1) Decide the torque generated by the motor to bring the wheel to 10.1 rev/min.
2) Decide the power that would be needed to maintain this rotational speed.
A 2.00 m brass rod with a 1.00 mm diameter is used as a spring by stretching the rod. If the tensile modulus of brass is 9.10 1010 N/m2, then the spring constant of the rod is
Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, If your speed is 3.00 m/s when you start to slide, what distance d will you slide before stopping
Determine magnitude of the force
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a highway patrol officer on the ground uses a radar gun to measure the speed of a suspects car to be 60 ms. a patrol
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The plates of a spherical capacitor have radii 36.0 mm and 44.0 mm. What must be the plate area of a parallel-plate capacitor with the same plate separation and capacitance
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in a womens 100m race accelerating uniformly laura takes 2.00 s and healan 3.00 s to attain their maximum speeds which
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