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a large spring fixed to a board oscillates up and down when friction is ignored its height above its midline is modeled
water flows through the pipe in the figure below and exits to the atmosphere at the right end of section c the diameter
1 you need to construct a hollow cubical box of aluminum that has an outside length of 20 cm and an average density of
a regular hexagon shaped wire loop with a side length of a 680 cm carries an electric current of i 195 a as shown in
consider a series rlc circuit where r 350 ohm c 255 muf and l 00940 h driven at a frequency of 600 hz determine the
the parallel axis theorem ix ixcdy2 athe moment of area for a rectangle about the horizontal axis is ixc bh312the
a 50-kg block of aluminum is heated from 20 oc to 90 oc at atmospheric pressure find a the work done by the aluminum b
a show that the peak inductor voltage in a series rlc circuit is maximum at frequencyomegal1omega02-frac12r2c2frac12b a
two concentric spherical shells have equal but opposite charges spread uniformly over their surfaces the inner shell
a the henrys law constant for nitrogen in water is 87365 bar at 25oc and the pressure underwater increases by 1 bar
you measure the electric field all over the surface of an opaque cylindrical box and find that on the top surface e1
a tube of length 5 cm which is open at both ends vibrates with two different resonances in a given physical situation
consider the situation shown in figure the uniform 064-kn beam is hinged at pfind the tension in the ropefind the
a transverse sinusoidal wave on a rope has a wavelength of 0200 m and travels in the x direction with a wave speed of
two different waves moving in the same direction on the same string where x is in cm and t is in s are out of phase by
a small mass slides along a smooth vertical circular track of radius rwhat is the minimum velocity this mass must have
let a particle of mass 3m have an initial velocity of v0i and undergo an elastic glancing collision with a particle of
a helium nucleus charge 2e moves through a potential difference deltav -0300 kv its initial kinetic energy is 370 x
helium in a cylinder with a piston and initially at 27oc expands at constant atmospheric pressure the work that the
the height of the eiffel tower is 324 m and lets assume its made completely of steel which has a thermal coefficient of
a heavy swing door has a mass of m 8500 kg a width w 20 m and a height h 30 m the door swings about a vertical axis
in heavily doped n-type silicon there are 1016 electrons per cm3 at room temperature the donor level is located 005 ev
the heating element of a toaster is a 54-m length of nichrome wire of diameter 048 mm the resistivity of nichrome at
does the heat of vaporization of water depend strongly on the relative humidity of the gas into which it evaporatessome
a venturi meter is an instrument used to measure flow speed in a pipe it consists of a horizontal tube of an input