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The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 38o by a brace that isattached to a pin. The beam has a weight of 338 N. Three additional forces keep the beam in equilibrium. The brace applies a forceP to the rightend of the beam that is directed upward at the angle with respectto the horizontal. The hinge applies a force to the left end of thebeam that has a horizontal component H and a vertical componentV. Find the magnitudes of these three forces.
A 30cm string of linear density 7.0 g/m is stretched to a tension of 35N and fixed at both ends, What is the wave speed for the string
The masses of the javelin, discus, and shot are 0.80 kg, 2.0kg, and 7.2 kg, respectively, estimate the average force exerted on each object during the throw
question1one end of a horizontal string of linear density 6.9times10-4 is attached to a small-amplitude mechanical 150-
a gas has a initial volume of 1 m^3.it is expanded to five times its original volume through a quasistatic process for which p= av^4, how much work is done by the expanding gas
In a double slit experiment there are two plane monochromatic waves incident on the slits. One wavelength is red with lamba= 600.0 nm, Calculate the linear separation of the red fringes
In the railroad freight yard, an empty freight car of massmrolls along a straight level track at1.0m/s and collides with an initially stationary, What is the speed of the two cars after the collision
A transverse wave is propagation on water surface and is described by the equation y=0,01sin[(1,0)x + (30) t ], find the magnitude of velocity of the particle's displacement
A 3*5 card containing two pinholes, 0.08mm in diamter andseparated center to center by 0.10mm, how far away should the screen be
Starting from rest, a 4.50-kg block slides 3.00 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is ?k = 0.436. Determine the work done by the force of gravity
Kahlinium is an H-like atom consisting of an electron and the positive Casimir particle, what would be the wavelength of the first line of the Lyman emission series for this atom
At point A, 4.20m from a small source of sound that is emitting uniformly in all directions, the intensity level is 52.0dB. How far must you go so that the sound level is one-fourth of what it was at A
A sphere that is a perfect blackbody radiator has a radius of 0.130 m, Calculate the net rate at which the sphere radiates energy
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