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A coil formed by wrapping 45 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 36.0° with the direction of the field. When the magnetic field is increased uniformly from 200 µT to 600 µT in 0.400 s, an emf of magnitude 80.0 mV is induced in the coil. What is the total length of the wire?
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How far east of his starting point will he reach the opposite bank? What is the magnitude of his velocity relative to the earth.
The resultant displacement has a magnitude of 6.6m directed at the angle of 137 degrees from the positive x axis.
asssume that in a particular vacuum tube the potential of the anode is 340 V higher than that of the cathode. If an electron leaves the surface of the cathode with zero initial speed, what is its speed when it strikes the anode.
A mercury manometer is connected to a container of gas. if the gauge pressure of the gas doubles, what are the new heights of the two columns
A 87 arrow is fired from a bow whose string exerts an average force of 120N on the arrow over a distance of 78cm. Evaluate the speed of the arrow as it leaves the bow?
An ocean liner leaves New York City and travels 39.0° north of east for 140 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
Suppose the space shuttle is in orbit 460km from the Earth's surface, and circles the Earth about once every 93.80 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, gravitational accelera..
A 100 arrow is shot vertically from a bow whose efficient spring constant is 500. If the bow is drawn 75 before shooting the arrow, to what height does the arrow rise .
What is the torque on the root of the tooth about point A.
In 1975 the roof of Montreal's Velodrome, with a weight of 360 kN, was lifted by 10 cm so that it could be centered. How much work was done on the roof by the forces making the lift.
What is the gauge pressure of the air in the tires when its temperature rises to 27 .00C and its volume increases to 1.67 x 10-2 m3? Assume atmospheric pressure is 1.01 x 105 Pa.
The velocity of the wave traveling on a string is higher if you increase the length of the string (keeping the kind of string, and the tension of the string, unchanged)
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