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A flat circular coil of 10 turns with an area of 4.4multiplied by 10-2m2 is located in a uniform magnetic field of13 mT. Initially, the magnetic flux passes through the coil perpendicularly. The coil is then rotated, in 150ms, so that its central axis makes an angle of 50° with B. Determine the average induced emf resulting from the rotation.
A rock weighing 400 N sits on the edge of a 60 m cliff. After falling 15 m how much kinetic energy does the rock have
Calculate the total number of electrons in a coin of mass of 3.00 grams made of pure copper. Each copper atom has 29 electrons, its atomic weight is 63.5 grams, and density is 8.9 gram / cm^3.
The position of an object as a function of time is given by , where is a constant. Find an expression for the instantaneous velocity
A car is designed to get its energy from a rotating flywheel with a radius of 2.25 m and a mass of 550 kg. The flywheel can be considered as a uniform thin cylinder. Before a trip, the flywheel is attached to an electric motor, which brings the flywh..
A well-insulated 0.0423 µF capacitor is connected across a line carrying a 3.75 kV rms sinusoidal voltage with frequency 680 Hz. What is the impedance of the capacitor
A force of 323N is applied horizontally to a crate in order to displace crate 30m across a level floor at a constant velocity. As a result of this work.
A football is kicked such that is has an initial velocity of 30 m/s at an angle of 60 degrees above the ground. How would you calculate its maximum height
If he struck a ball with the a speed and launch angle that would result in a maximum 120m horizontal range on Earth, how far would it go?
ball 1 with m1= 4.00kg is connected through a mass less rod with ball 2 with m2= 3.00kg. What is the net force on each ball
A physics lecture room has a volume of 254 m3. For a gas pressure of 1.00 atm and a temperature of 27.0 oC, use the ideal gas law to estimate the number of air molecules in the room
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
A hiker's trip consists of three segments. Path A is 7.00 km long heading 60.00 degrees north of east. Path B is 6.00 km long in the direction due east. Path C is 5.00 km long heading 315 degrees counter clockwise from east. Graphically add hiker's d..
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