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A hair dryer is rated at 1700 W when connected to a 120 V source. Find the resistance of the hair dryer as well as the current in the hair dryer when it is turned on. Resistance (in ohms): Current (in amperes):
At what distance from the wire would the magnitude of the magnetic field equal to the strength of the Earth's magnetic field of 5.0 x 10^-5 T?
A 1 cm3 air bubble at a depth of 209 meters and at a temperature of 4 oC rises to the surface of the lake where the temperature is 18 oC, what is its new volume
A wire that is 2.00 m long and carrying a current of 10.0 A is at right angles to a uniform magnetic field. The force acting on the wire is 0.45 N. What is the strength of the magnetic field?
A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, What is the angle of the remaining piece
A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna
A 72.0-kg man is riding an escalator in a shopping mall. obtain the work done on man by the gravitational force
A white billiard ball with mass mw = 1.41 kg is moving directly to the right with a speed of v = 3.33 m/s, What is the final speed of the white ball
A 47 kg person, standing 0.980 m from the axis, begins to run on the disk in a circular path and has a tangential speed of 3.10 m/s relative to the ground. Find resulting angular speed (in rad/s) of the disk.
Two bicycle tires are set rolling with the same initial speed of 3.40m/s along a long, straight road, What is the coefficient of rolling friction r for the tire under low pressure
Vector F= 3xi + 5j + 5z^2k. How much work is done in moving from r0=(0,0,0) to r1=(3,2,1)? how fast will the object be going
The person shown below is pushing on a refrigerator that sits on a level floor. Assume the floor is very slippery so that the only horizontal force on the refrigerator is due to the person. find the magnitude of the refrigerator's acceleration
A circular coil with one turn is in a perpendicular (time dependent) magnetic field given by B = 1.400 - 0.0500 t Tesla, where time t is in seconds. Calculate the radius of the coil
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