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Q1. A power supply passing through a resistor is supposed to deliver 22-v DC at a max current of 150mA. The transformer's peak output voltage is appropriate to charge capacitor to a full 22V, and the primary is supplied with 60-Hz AC. What value of capacitance will ensure that the output voltage stays within 3 percent of the rated 22v?
Q2. What is the most amounts by which the wavelength of an incident photon could change when it undergoes Compton scattering from an atom or molecule with a 19 u mass? (1 u = 1.66 x 10-27 kg)?
Consider a region of space with volume 32 mm3. Suppose the energy stored in the electric field of that particular region of space is 87 J. evaluate the average electric field strength in this region
Determine the magnitude of the emf EMF induced in the loop after exactly time 6.00 s has passed since the circumference of the loop started to reduce.
two infinite, parallel planes have excess charge densitites o and -2o, what are the magnitude and direction of the electic field between the planes
sketch a scaled ray diagram and show the location of the iamge using 3 principle rays, calculate the magnification of the object
Calculate velocity of electron in first Bohr orbit of hydrogen atom (Given r = a0). Find de-Broglie wavelength of the electron in first Bohr orbit
What impulse Ft should be supplied to bring the ball to rest? If the ball is stopped in 0.03 s, what is the average force of the ball on the catcher's hand.
An engine absorbs 3,450 J of heat energy each cycle and expels 1,240 J. how much work does it do in one cycle
Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 3.4x107 K. (At this temperature (3.4 x10^7)
A race car has a mass of 702kg. It starts from rest and travels 42 m in 3 s. The car is uniformly accelerated during the entire time. What net force is exerted on it.
A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, Calculate the work required to load the gun
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
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