What are the amount and the direction of the resultant
A body is acted upon by an upward force of 12N and a horizontal force of 20N to the right. What are the amount and the direction of the resultant?
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If the speed variation from max to min is not to exceed 0.2 rev/s and the greatest fluctuation in energy during the punching and idling strokes is 7kJ, find the moment of inertia of the flywheel [443.28kg-m^2]
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The greatest fluctuation of energy to be stored by an engine flywheel is 2kJ when the mean engine speed is 4 rev/s. The speed variation is to be limited to ?1% and the mass of the flywheel is 450kg.
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A short bar magnet placed with its axis at 60 degrees with a uniform external magnetic field of 1.0T experiences a torque of magnitude 5x102 J. What is the magnitude of magnetic moment of the magnet?
A random sample of 10 has a mean of 110. Test the null hypothesis that µ = 120 against the alternative hypothesis that µ < 120 at the 5% level of significance for the following cases: (b) assuming that the population standard deviat
Two long parallel wires are separated by 3.37 cm and carry currents 1.25 A and 3.43 A. Find the magnitude of the magnetic force that acts on a 3.53-m length of either wire.
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