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Consider the following circuit with resistors 1-7 ohm.
a. What is the effective resistance of the circuit if only the mercy switch (located above the parallel resistors) were closed?
b. Again if only the mercy switch were closed, what current would flow through each resistor shown?
c. (from here on, let the mercy switch be open) If switch 1 and C were closed (makes the capacitor the circuit), what is the maximum charge build up on the 0.003 F capacitor and how long would it take to charge the capacitor to 75% of this value on the capacitor.
d. A long time later switch 1 is opened and both the C and L switches are closed (making a circuit with the capacitor and the 0.005 H inductor), what is the angular frequency of the current moving in this final loop?
A car is moving on a flat horizontal circular track of radius 120m. The speed of the car is constant, 15 m/s. The mass of the car is 1200kg. Ignore air resistance.
A piece of a cloth is found to contain 15% of the C-14 present in a similar material today. How old is this cloth
Water is streaming downward from a faucet opening by an area of 3.0 × 10−5 m2. It leaves the faucet by a speed of 5.0m/s. The cross-sectional area of the stream 0.50m below the faucet is:
A freshly prepared sample of a certain radioactive isotope has an activity of 10.0 mCi. After 4.50 h, the activity is 7.80 mCi. Find the decay constant and half-life of the isotope
If light from a star of a wavelength of 520.3 nm at rest were shifted to 511.2 nm observed, what would be its velocity
you need a transformer that will draw 34w of power from a 220 v rms power line stepping the voltage down to 12v rms.a.
The light bulb used in a slide projector draws a power of 480 watts when operating on 120 volts. What is the bulb’s resistance? What is the current which is passing through the bulb?
a parallel-plate air capacitor is made from two plates 0.250 m square spaced 0.900 cm apart. it is connected to a 120 v
a cat walk 8.0m north, 5.0m east and then 6.0m south. What is the magnitude of the cat's displacement from the starting point
Determination of the Initial Velocity of a Projectile from Range-Fall Measurements. After the horizontal projectile leaves the gun, what are the accelerations in the x and y directions?
A straight, non conducting plastic wire 8.00cm long carries a charge density of 130nC/m distributed uniformly along its length. Find the magnitude and direction of the electric field
A series RLC circuit has R = 75 %u03A9, L= 20 mH, and a resonance frequency of 4.0 kHz. What is the impedance of the circuit at resonance
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