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An ac generator with a frequency of 1.14kHz and an rms voltage of 20.2V is connected in series with a 1.80killo ohm resistor and a 320mH inductor.
1. What is the power factor for this circuit? cos (o)
2. What is the average power consumed by this circuit? si unit W
question1a piece of copper wire has a resistance per unit length of6.1510-3? m. the wire is wound into a thin flat coil
A high pressure tank contains 1 kmol of methane at T=248.3 K and p= 139.2 bar. What is the mass density of methane at these conditions
Brutus, a champion weightlifter, raises 240 kg of weights a distance of 2.70 m. How much work is done by Brutus lifting the weights
A hanging block A ( Ma = 15 kg) is connected by a light cable and a pulley wheel to a second block B ( Mb = 10 kg) situated at the bottom of a frictionless inclined plane with angle %u03B8 = 30o to the horizontal
An airplane with a speed of 93.3 m/s is climbing upward at an angle of 58.5 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
Two stretched cables both experience the same stress. The first cable has a radius of 3.63 multiply.gif 10-3 m, Determine the stretching force acting on the second cable
In a 30.0 s interval, 540 hailstones strike a glass window of area 0.600 m2 at an angle of 45.0° to the window surface. Find the pressure on the window
The diameter of the aluminum cylinder is measured to be: (4.935 ±0.003)cm. The hanging mass (paint bucket and 5kg) for a Mechanical Equivalent of Heat experiment is recorded as (5.2977 ±0.0002)kg. Calculate the work done cranking the aluminum cylin..
An antiaircraft shell is fired vertically upward with an initial velocity of 200m/s. compute the maximum height of the shell
When a uniform electric field directed horizontally (from left to right) is introduced, equilibrium is eventually established with the mass hanging at an angle
A projectile of mass 0.950 kg is shot straight up with an initial speed of 24.0 m/s, If the projectile rises to a maximum height of only 19.7 m, determine the magnitude of the average force due to air resistance
A very thin sheet of glass (n=1.5) floats on the surface of water (n=1.33). When illuminated with white light at normal incidence, What is the thickness of the glass
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