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Q1. A 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the beam is horizontal.
If the angle between the beam and the cable is q = 54.0° what is the tension in cable.
Q2. What is the maximum probable efficiency of the steam engine taking in heat at 100° C (373K) and dumping it at room temperature of about 20° C (293K)? (Efficiency is the ratio of work completed to heat input, or the ratio of temperature decrease to temperature input).
A ring of charge is centered at the origin in the vertical direction, Find the total electric field, E, of the ring at the point P = (2.25 m, 0.00 m)
q1. the current in a coil changes from 3.80 a to 1.90 a in the same direction in 0.510 s. if the average emf induced in
What force does a 55 kg passenger exert on the seat when she is at the top of the Ferris wheel.
Explain how fast must the candy bar travel to have the same 106 joules in the form of kinetic energy?
Assume that the rod is held at rest horizontally and then released. (Throughout the remainder of this problem, your answer may include the symbol, moment of inertia of the assembly, whether or not you have answered the first part correctly.)
A space station, in the form of a wheel 133 m in diameter, rotates to provide an "artificial gravity" of 2.20 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of the wheel's rotation in revolutions per minute that wi..
question1find out the tension in each of the two ropes supporting a hammock if one is at an angle of 14 above
Find the critical angle for an optical fiber whose core has n value of 1.55 and whose cladding has n value of 1.20
What is the ratio of the amplitude
A flatbed truck is carrying a load of timber which is not tied down. the mass of the timber is 800 kg, What is the highest acceleration that the truck can have without losing its load
Light enters a polarizing apparatus at an intensity of 100 units, Determine the angle of rotation theta
A hill that has a 25.7% grade is one that rises 25.7 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
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