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An RC circuit is formed with connecting a 7 ohm resistor and a 25 mu F capacitor in series with AC voltage generators. The frequency of the generator is 500Hz if the effective (rms) intensity of the current in the circuit is 2.75 what is the effective value of the generator\'s voltage? Compute the phase shift and the time lag among voltage and current. Frequency of the current is doubled does the phase shift increase decrease, or stay the same?
When a carbon dioxide molecule attaches to a molecule of hemoglobin, the bond that forms between them immediately starts vibrating. What is the vibration frequency of the bond if the carbon dioxide molecule has speed of 2.42 m/s
A step-up transformer for long-range transmission of electric power is used to create a potential difference of 1.0921 x 10^5 V across the secondary. How many turns are in the primary
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, obtain the constant angular acceleration of the centrifuge
A dentist's drill starts from rest. After2.80s of constant angular acceleration, it turns at a rate of2.46104rev/min. Find the drill's angular acceleration
A person's leg measures 40 cm between the knee and the hip, with an average leg diameter of 12 cm. What are the fractions of muscle and fat in the leg
An electron in a cathode-ray tube is emitted from a hot filament at a negligible speed. , whereupon it accelerates across a potential difference of 1.00 x 106 V. Determine its final speed compared to the classical result.
Use the principle of superposition and the boundary conditions for a stretched string with a fixed or free end to explain the form of reflected pulses. Explain and use the mathematical expression for a standing wave
The lab experiment is repeated with the same two glass plates but with a different human hair. Calculate the diameter of the hair
A mass of 0.4 kg, is connected to a spring with a spring constant of 100 N/m, What is the maximum speed of the mass and What is the energy stored in the mass/spring system when its speed is half the maximum value
When 3880 J of heat are added to a 0.159-m-long silver bar, its length increases by 4.31 x 10-3 m. What is the mass of the bar
A 2.5-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. The elastic potential energy of the spring/mass system is 2.6 J. Determine is the elastic potential energy of the system when the 2.5-kg block is ..
The wire in the drawing carries a current of 10 A. Suppose thata second long, straight wire is placed right next to this wire. Thecurrent in the second wire is 32
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