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A 47 kilogram uniform rod 4.80 meter long is attached to a wall with a hinge at one end. The rod is held in a horizontal position by a wire attached to its other end. The wire makes an angle of 30 degree with the horizontal, and is bolted to the wall directly above the hinge. If the wire can withstand a maximum tension of 1450 Newton before breaking, determine how far from the wall can a 67.0 kilogram person sit without breaking the wire?
find the pressure increase in the fluid in a syringe when a nurse applies a force of 42 n to the syringes circular
A blower releases a ball down the lane with a linear velocity at release of 12 meters per second. what was the angular acceleration of the arm to the release point
a one-dimensional infinite well of length 100 pm contains an electron in its third excited state. we position an
An alpha particle (charge +2.0e) is sent at high speed toward a gold nucleus (charge +79e). What is the elctrical force acting on the alpha particle when it is 2.0e-14m from the gold nucleus?
Although the cross-sectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total cross-sectional area is much larger. calculate the total cross-sectional area of the capillaries
A 0.25 m segment of wire lies along the x-axis and carries a current of 4.7 A in the negative x direction. What is the force (magnitude and direction) on the segment of wire
a 17.0-g piece of styrofoam carries a net charge of -0.75 microc and is suspended in equilibrium above the center of a
The Paschen series in the hydrogen emission spectrum is formed by electron transitions from ni > 3 to nf = 3. What is the longest wavelength in the Paschen series
A man pushes on a piano with mass 180 {rm kg} so that it slides at constant velocity down a ramp that is inclined at 20.0^circ above horizontal floor. Overlook any friction acting on the piano.
An irregularly shaped chunk of concrete has a hollow spherical cavity inside. The mass of the chunk is 41.5 kg, What is the radius of the spherical cavity
An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 110 cm. (a) How far ..
A beam of light in air reflects off of a piece of glass whose index of refraction is 1.42. What angle of incidence will give complete polarization of the reflected light?
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