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Question: The current flowing in a solenoid that is 20.1 cm long and has a radius of 2.80 cm and 524 turns decreases from 3.31 A to 1.27 A in 0.220 s. Determine the magnitude of the induced electric field inside the solenoid 1.40 cm from its center.
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than as the car is stationary? The speed of sound is 343 m/s.
A wire is made by attaching two segments together, end to end. One segment is made of aluminum and the other is steel. What fraction of the length is aluminum
The waves from a radio station can reach a home receiver by two paths. One is a straight-line path from transmitter to home, a distance of 22.0 km. Find the minimum height of the ionospheric layer
what is its potential energy relative to the bottom of the shaft? how fast will the payload be traveling when it reaches the bottom of the shaft? convert your answer to mph for a comparison to highway speeds.
A shotgun fires a large number of pellets upward, with some pellets traveling very nearly vertically and others as much as 1.0o from the vertical. suppose that the initial speed of the pellets is uniformly 150ms-1 and ignore air resistance.
q1. a mountain climber in the process of crossing between two cliffs by a rope pauses to rest. she weighs 550 n. as
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
Use graphical techniques to find out the direction of the dog’s resultant displacement vector. Give the direction of the resultant displacement in degrees (out of 360).
A force of 250 N is applied to a hydraulic jack pistonwith a 0.1m diameter. If the output piston, which supportsthe load, has a diameter of 0.5m, How much weight can be lifted
A sample has a activity of 0.0021 Bq per gram of carbon. Find the age of the sample, assuming that the activity per gram of carbon in a living organism has been constant at a value of 0.23 Bq
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. How fast are they going at the bottom
X-rays are used for analyzing molecular structure. What is the frequency (in Hz) of X-rays that have a wavelength of ? = 13.3 nm
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