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A 11.1 Ω resistor,a 9.2 µF capacitor, anda 29.7 mH inductor are connectedin series with a 120 V (rms) source with variable frequency.
a) At what frequency will the current be maximum?b) Find the maximum rms current.c) Suppose you now replace the 9.2 µF capacitor bya 20.8 µF capacitor. Whatis the new value of the rms current?
Two railroad cars, each of mass 7850kg and traveling 85km/h in opposite directions, collide head-on and come to rest. How much thermal energy is produced in this collision
A 100 g block is launched by compressing a spring of constant k=200N/m a distance of 12 cm. The spring is mounted horizontally, and the surface directlyunder it is frictionless.
Radio waves of frequency 1.1 x 10^10 Hz are emitted from a radar antenna travelling in an eastward direction. If the amplitude of the electric field component is 1.2 V/m, calculate the intensity of the wave
An open train car, with a mass of 2030 kg, coasts along a horizontal track at the speed 2.45 m/s. What is the car\'s speed after the loading is completed
A wide beam of white light is incident normal to surface of oil film. An observer looking down at film sees green light that has maximum intensity at wavelength 5.2 x 10^-7m, Calculate speed at which light travels in film
calculate the first five energy levels for co c12o16 molecule with bond length of 112.8.assume it rotates freely in the
A 0.51 kg mass vibrates according to the equation x = 0.43 cos 8.37t, where x is in meters, and t is in seconds. (a) Determine the amplitude. m (b) Determine the frequency. Hz (c) Determine the total energy. J (d) Determine the kinetic energy and pot..
ball is thrown up at 13.0 m/s near the edge of a 30.0-meter high cliff. The ball lands at the bottom of the cliff. How much time after being thrown does the ball take to land
q1. a wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. how far will a point on edge of
A spaceship is visiting Planet X. While descending to the surface, its rockets produce 25 kN of upward thrust and the spaceship's speed decreases at a rate of 0.15 m/s2. What is the mass of the spaceship
A farsighted person uses glasses with a refractive power of 3.3 diopters. What is this person's near point when not wearing glasses
Object A is acted on by only object B. The mass of object A is 20.0 kg and its acceleration is 4.00 m/s2 west. Object B is acted on by two forces, the force of object A on object B and another unknown force.
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