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Two wires support a massive beam of length L=16 m as shown in the figure above. A box hangs from a wire which is connected a distance of 12 m from the left edge of the beam. The tension in the left support wire is 500 N and the tension in the right support wire is 600 N. What is the mass of the box?
the position of a particle moving with constant acceleration is given by xt 3t2 7t 4 where x is in meters and t is
a circuit consists of an ideal ac generator a 25nbspmicrof capacitor and an 65?nbspresistor all connected in series.
A horizontal steel bar, 4m long and 2 cm diameter is imbedded in two concrete walls. A 2000 kg mass is hung from its center. By how much does the center sag
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is ? = 1.90 10-7 C/m2, and the plates are separated by a distance of 1.5 10-2 m. How fast is the electron moving just bef..
A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, What is the rate of heat transfer through the ice
The system consists of four thin concentric spherical shells with radii R, 2R, 3R, and 4R, respectively. The surface charge densities on these shells are 4σ, -3σ, 2σ, and - σ, respectively. Determine the electric field in all regions
A concave makeup mirror is designed so that a person 22 cm in front of it sees an upright image magnified by a factor of two. What is the radius of curvature of the mirror
A uniform metal rod, with a mass of2.9kg and a length of0.9m, is attached to a wall by a hinge at its base. Find the horizontal component of the force exerted on the rod by the hinge
The function = -38 cos(20t) (with in degrees) describes the oscillation ofa certain torsion pendulum (Figure 13-4). Assume the counterclockwise direction to be positive. Find the maximum angle to which the torsionpendulum swings;
A cargo plane is moving with a horizontal velocity of vx = +230 m/s at a height of y = 810 m above level ground, how much time will it take the package to reach the ground
Please this is a Gordon Rule question derived from 7th or 8thedition of general physics by James and susan Walker
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