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The "wireless" connection used by your laptop computer employs electromagnetic waves with a frequency near 2.4 GHz.
a) What is the wavelength of this radiation?b) What is the approximate size of a dipole antenna for this frequency?c) Will such an antenna fit easily into the case of your laptop computer?
Find out the magnitude of the amount by which the potential difference across the plates changes.
A copper sheet of thickness 2.70 mm is bonded to a steel sheet of thickness 4.10 mm. The outside surface of the copper sheet is held at a temperature of 170.0 °C and the steel sheet at 27.0 °C.
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A bullet of mass 11.4 g is fired into an initially stationary block and comes to rest in the block. Find the initial speed of the bullet
a mirror on the passenger side of your car is convex and has a radius of curvature with magnitude 18.0cm. another car
a charge 4.5 ?c is placed at the center of the hollow spherical conductor with the inner radius 3.1 cm and outer radius
A 0.140 kg baseball is thrown with a velocity of 40 m/s. It is struck with an average force of 5000.0 N, How long were the bat and ball in contact
A charged sphere of mass 2.5x10^-5 kg and net charge of 6.0x10^-9 C hangs from a silk thread, what is the magnitude of the charge dentist on each plate
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg. what is the average force on the nail
A bullet of mass mb is fired horizontally with speed v1 at a wooden block of mass mw resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the bloc..
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