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a) A 2.90 H coil with a resistance of 6.41×101 ? is in series with a 1.14×103 ? resistor. This circuit is connected to an AC voltage source that gives 72.0 V (rms) at 65.0 Hz. What is the rms value of the potential difference across the resistor?
b) What is the peak value of the potential difference across the coil?
if oxygen molecules are more massive than the nitrogen molecules, is the rms speed of the O2 molecules greater than, less than, or euqls to rms speed of the n2 molecules.
A dog running in an open field has components of velocity = 3.4 and = -1.9 at time = 10.4. For the time interval from = 10.9 to = 24.7, the average acceleration of the dog has magnitude 0.45 and direction 25.
Cube of ice is taken from the freezer at -8.5°C and placed in a 75-gram aluminum calorimeter filled with 300.0 grams of water at room temperature of 20.0°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cub..
A 420g oscillator has a speed of 128.5cm/s when its displacement is 3.30cm and 59.5cm/s when its displacement is 5.40cm .what is the oscillator's maximum speed
An object with a charge of 0.980 µC is placed at the center of a regular icosahedron with 20 equivalent surfaces. What is the electric flux through one surface of the icosahedron?
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest, Find the average induced emf in the coil during this time. Assume the magnitude of the Earth's magnetic field is 26.9
Compute the change in entropy of 1 gram of water as it goes from solid ice at 0 celsius to water vapor at 100 Celsuis
Find out the critical angle for the glass-synthetic interface (same as for the glass-diamond interface). Sketch a picture of the incoming ray as it interacts will all subsequent interfaces.
Many people mistakenly believe that the astronauts that orbit Earth are "above gravity." Calculate g for space shuttle territory 150 km above Earth's surface. suppose Earth's mass is 6.0 1024 kg, and its radius is 6.38 106 m (6380 km). Your answer..
An oscillator with a mass of 530 g and a period of .80 s has amplitude that decreases by 2 percent during each complete oscillation. At what time will the energy be reduced to 33 percent of its initial value.
The net force on the object is not zero in Tubby's frame, but there is an inertial frame in which net force is zero.
Write at least one paragraph in which you define diffraction and interference, discuss Huygens' Principle and explain why light passing through a narrow slit
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