An electric fan has a low speed of 3.00 rotations per second and a medium speed of 9.00 rotations per second. the fan rotates counter-clockwise, ccw. a) the fan is running on low speed when it is switched to medium speed. it takes 4.00 seconds for the fan to reach medium speed. what is the angular acceleration, latex: \alphaα? b) if the rotational inertia of the fan is ifan = 1.50 x 10-3 kg-m2, calculate the net torque, latex: \tau_{net}τ n e t, required for part a.
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Physics, 21.06.2019 21:30
The earth remains in orbit around the sun due to the force of gravity. how does the force of gravity exerted by the sun on the earth compare to the force of gravity exerted by the earth on the sun?
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Physics, 21.06.2019 21:40
Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
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Physics, 22.06.2019 00:00
A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?
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Physics, 22.06.2019 02:00
Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion
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An electric fan has a low speed of 3.00 rotations per second and a medium speed of 9.00 rotations pe...
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