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One end of a uniform rod of length 4L and weight Fg is supported by a cable. The other end rests against the wall, where it is held by friction. The coe?cient of static friction is 0.5. Determine the minimum distance, x from the wall, at which an additional object of weight Fg can be hung without causing the rod to slip.
A 6.0 V battery is connected in series with a 29 mH inductor, a 110 ohm resistor, and an open switch. How much energy is stored in the inductor
a piece of rock reads 2.776 N on a scale when in air, but 1.893 N in a fluid of unknown specific gravity. what is the density of the fluid
A spring with 58 hangs vertically next to a ruler. The end of the spring is next to the 11- mark on the ruler. If a 2.5- mass is now attached to the end of the spring, illustrate where will the end of the spring line up with the ruler marks?
Water flowing through a hose at 4 m/s fills a 900L child's pool in 8 min, What is the diameter in cm of the hose
anbsp32.5-kg crate rests on a horizontal floor and anbsp60.4-kg person is standing on the crate. determine the
A 144-g baseball moving 29m/s strikes a stationary 5.25-kg brick resting on small rollers so it moves without significant friction. Determine the baseball's speed after the collision
A composite bar oflength L = L1 + L2 is made from a bar of material 1 and length L1 attached to a bar of material 2, Show that the coefficient of linear expansion
After they have exchanged charge and are placed 24 cm apart the magnitude of the electric force is now 3.6 Newtons. How much charge, in micro-coulombs, was exchanged
An 11.90 V battery is connected to a series circuit containing a 6ohm resistor and a 2.30 H inductor. The circuit is established and current is 1.9833 A. How long will it take the current to reach 50 percent of its final value? Answer in units of s
For the helium-neon laser, estimate the Doppler broadening of the output wavelength 632.8 nm at T = 243 K
One end of a horizontal rope is attached to a prong of an electrically driven tuning fork that vibrates at a frequency 125Hz, What is the speed of a transverse wave on the rope
The position function x(t) of a particle moving along an x axis is x = 4.5 - 4.5t2, with x in meters and t in seconds.
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