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The plane of a circle of radius 10 cm makes an angle of 30degrees with a uniform magnetic field.
(a) If the magnetic flux through this circle is 50 Wb, what is the strength of the magnetic field?
(b) If a magnetic field is given in MKS units by B = 2y i + yz k , what is the magnetic flux through a square whose corners are at (0,0,0), (0,1m,0), (0,1m,1m), and (0,0,1m)?
A 200g, 40cm diameter solid cylindrical turntable rotates on frictionless bearings at 60rpm. A 20g block sits at the center of the turntable. the block then slides outward along a frictionless groove in the surface of the turntable.
Two carts have a compressed spring between them and are initially at rest. One of the carts has total mass, including its contents, of 7.0 kg, and the other has total mass of 5.0 kg. If the 5.0 kg cart is moving at 3.0 m/s after the spring is allowed..
A small loop of wire of radius 1.9 cm is placed at the center of a wire loop with radius20 cm. Estimate the magnitude of the torque the large loop exerts on the smaller one
a plane leaves seattle flies 78.0 at 20.0 north of east and then changes direction to 55.0 south of east. after flying
A 60-power refracting telescope has an eyepiece with a focal length of 5.5cm. How long is the telescope
A 2.67 ? resistor, a 5.52 ? resistor, and a 8.10 ? resistor are connected in series with a 24.0 V battery. What is the equivalent resistance? What is the current in each resistor?
You are standing at = 9.0 km Lightning bolt 1 at x= 0km and lightning bolt 2 at x = 12.0km. what is the time difference between the two flashes
A 2.5kg mass is attached to a spring and placed on the horizontal, smooth surface. A horizontal force of 18.4 N is necessary to hold the mass at rest while it is pulled 0.210 m from its equilibrium position.
A transition in a nucleus consists of changing a three-quark group uud to a udd collection. This transition is mediated with which of the four basic forces? Hint, what is the net effect of this change?
A 7.28-%u03A9 resistor is connected across a 9.00-V battery. The voltage between the terminals of the battery is observed to be only 7.27 V. obtain the internal resistance of the battery
a 10 atmospheric dump valve adv at a pwr relieves steam at 1100 psia when the enthalpy required to make a pound of
In 1980, over San Francisco Bay, a large yo-yo was released from a crane. Find the tension in the cord on which it rolled
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