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Q1. The resistor in a circuit has a resistance of 148 ohms. What capacitance should be used in this circuit if the time constant is to be 3.4 ms?
Using the capacitance determined in part (a), compute the current in the circuit 6.8ms after the switch is closed. Suppose that the capacitor is uncharged initially and that the emf of the battery is 9.0V
Q2. A projectile is fired horizontally from a gun that is 50.0 m above flat ground; emerging from the gun with a speed of 140 m/s. (a) how long does the projectile remain in the air? (b) At what horizontal distance from the firing point does it strike the ground? (c) What is the magnitude of the vertical component of its velocity as it strikes the ground?
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
How much time elapses between first splash and second splash
Find out the minimum sound intensity
An 82 kg parachutist descends through a vertical height of 350 m with constant speed. Find out the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C.
One sphere is negatively charged, with net charge -2.25 mu C, and other sphere is positively charged, with net charge 4.00 mu C. The charge is uniformly distributed within the volume of each sphere.
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0612 of the original volume and the pressure that is 46 times the original pressure. What is the temperature of the air after the compression.
Write down an equation for the radial component
How much is the spring compacted
Find out the resulting values of the processional rate
What is an average speed for the new trip
The radar system at an airport broadcasts 15 GHz with 150 kW. An approaching airplane with a 34 m^2 cross section is 24km away. Assume that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly in all di..
How rapidly atom are assembled in this protein synthesis
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