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A 70 ohms resistor, a .1100 H inductor and a 14.0 microfarad capacitor are connected in series to a 60.0 Hz source. The rms current in the circuit is 2.80 A.
A) Find the max voltage across the resistor, inductor and capacitor.
B) Find the rms voltage of the source.
C) Draw the reactance diagram for the circuit?
Through 5 successive 1.04 min intervals, a runner moves at the following constant speeds: 0.405 km/min, 0.220 km/min, 0.160 km/min, 0.163 km/min, and 0.323 km/min. compute the total distance travelled and average speed.
A leaf of area 44 cm2 and mass 4.5 10-4 kg directly faces the Sun on a clear day. The leaf has an emissivity of 0.86 and a specific heat of 0.8 kcal/kg·K. Estimate the rate of rise of the leaf's temperature
The middle C string on a piano is under a tension of 882 N. The period and wavelength of a wave on this string are 3.82 10-3 s, Find the linear density of the string
A rock is thrown downward into a well that is 8.90 deep. If the splash is heard 1.20 seconds later, what was the initial speed of the rock? Take the speed of sound in the air to be 343 m/s.
Air at 1 atm, 36C, 20% relative humidity enters an evaporative cooler at 4 m^3/min. find the outlet humidity ratio
A certain superconducting magnet in the form of a solenoid of length 0.40 m can generate a magnetic field of 14.0 T in its core when its coils carry a current of 95 A. Find the number of turns in the solenoid
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this, find the average force on the truck driver from the seatbelt
Derive the equation for the linear acceleration of a falling mass m suspended by a string from the rim of a uniform disk of mass M and radius R that is free to rotate without friction about its principal axis. 2. If the hanging mass is doubled, what ..
A plot of the displacement on the y axis vs. applied force on thte x axis for an ideal elastic spring. What would the slope of the curve be
In each cycle of its operation, a refrigerator removes 10 J of heat from the inside of the refrigerator and releases 38 J of heat into the room. How much work per cycle is needed to operate this refrigerator.
An interstate highway has been built through a neighborhood in a city. In the afternoon, the sound level in an apartment in the neighborhood is 95.0 dB as 105 cars pass outside the window every minute. Late at night, the traffic flow is only six c..
A 1000 kg flat railroad car is rolling to the right at 4.5 m/s. A 60 kg man, is standing on the right end of the cart watching the track in front of the car. What is the final speed of the train car with the mud stuck to it
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