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A long solenoid with 9.28 turns/cm and a radius of 7.85 cm carries a current of 15.8 mA. A current of 5.08 A exists in a straight conductor located along the central axis of the solenoid.
(a) At what radial distance from the axis in centimeters will the direction of the resulting magnetic field be at 62.9° to the axial direction?
(b) What is the magnitude of the magnetic field there?
Jonathan is riding a bicycle and encounters a hill of height h. What is the total external work done on the system of Jonathan and the bicycle between the time he starts up the hill and the time he reaches the top
The work function for iron is 4.50 eV. Find the cutoff wavelength for iron and What is the lowest frequency of light incident on iron that releases photoelectrons from its surface
A 19.0cm × 19.0cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. What is the size of the induced current in the loop at t = 0.550s
Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 162 when its temperature is 16.0 °C. What is the temperature of the liquid
question1a 240 33.0-cm-diameter turntable rotates on frictionless bearings at 55.0. a 25.0 block sits at center of the
A football spends a total of 5 seconds in the air. It reaches a peak height of 30 meters. How long does it take to reach its peak height? The football has the range of 90 yards. What is its horizontal velocity.
A 70.0 kg skier with an initial speed of 13.0 m/s coasts up a 2.50 m high rise as shown in Figure 6.23. Find his final speed at the top
Block B rests on a smooth inclined plane of 21 degrees and block A hangs vertically. Compute the acceleration of the system if the mass of block A is 1.08 kg and that of block B is 5.9 kg.
A motorcycle daredevil plans to ride up a 2.50m high 25.0° ramp, sail across a 10-m-wide pool filled with hungry crocodiles, and land at ground level on the other side.
2 protons, each with charge q=1.602E-19 C, are fixed in space. They form a spherical nucleus with diameter 1E-15 m. Find electric potential energy for the electron in orbit
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.1 kg and the sign has a mass of ms = 16.6 kg. What is the net force the hinge exerts on the beam
A small monkey is traveling along a branch, What is the max speed of the monkey during this interval? Show all calculations
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