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A classic example of a constrained channel with variable symbol durations is the ‘Morse' channel, whose symbols are
the constraints are that spaces may only be followed by dots and dashes. Find the capacity of this channel in bits per unit time assuming
(a) that all four symbols have equal durations; or
(b) that the symbol durations are 2, 4, 3 and 6 time units respectively.
An inflated rubber balloon is rubbed with the wool cloth until an excess of 1.50 multiplied by 109 electrons is on the balloon. What is the magnitude of the charge on the balloon.
Calculate how much work is done when 5 moles of an ideal gas at27ºC expand is othermally from an initial volume of 1 liter toa final volume of 2 liters.
A 60 kg skier starts from rest at a height of H = 21 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. avoid the effects of air resistance and assume the ramp is frictionles..
a length of aluminum wire has a resistance of 20.0 ? at 14.0degc. when the wire is warmed in an oven and reaches
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, thus that an emf of 0.57 V and a current of 5.7 A are induced in the coil.
An old-fashioned (vinyl) record rotates at a constant rate of 33 rpm. If the record has a radius of 18 centimeter, determine what is the linear speed of a point on its edge
In a circus act, a 60 kg clown is shot from a cannon with an initial velocity of 14 m/s at some unknown angle above the horizontal. What is the kinetic energy of the clown as he lands in the net
Top professional pitchers can throw fastballs at speeds of100mph. Given that 1 mph=0.447m/s. WHat is this speed in meters per second
an electric dipole consists of q330nc separated by a distance of 1200nm. the dipole is initially oriented in -i
At one point in a pipeline, water's speed is 3.30 m/s and the gauge pressure is 4.00×10^4 Pa. Find out the gauge pressure at a second point in the line 13.0 m lower than the first if the pipe diameter at the second point is twice that at the first.
two identical conducting spheres fixed in place attract each other with an electrostatic force of -0.6020 n when
A hot wheels track has a spring loaded launcher. A 100g car is pushed into the launcher, which compresses the spring by 2cm. The cars initial velocity after launching is 3m/s.
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