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A long straight wire lying along the x-axis carries a constant 5 A current along the positive x direction. A small 5mm diameter loop lies in the x-y plane centered at y = 2m. If the loop is suddenly stretched so that its area shrinks to zero in 0.2s, find the average induced emf in the coil assuming the B field is constant over its area. Draw a sketch showing the direction of the induced current
A ladder of uniform density, length 4m and mass 20kg, makes an angle = 65 degrees with the horizontal and its upper end rests against a wall. What is the maximum mass that he can have such that the ladder will not slip when he reaches this point
A series RCL circuit contains a 4.99-µF capacitor and a generator whose voltage is 11.6 V. At a resonant frequency of 1.20 kHz the power delivered to the circuit is 24.1 W. Find the value of the inductance
A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. What is the mass of the meter stick
A person driving her car at 46.0 km/hr approaches an intersection just as the traffic light turns yellow, How far from the intersection will she be when the light turns red
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the magnitude of the current in the bar
A car with a mass of 950-kg and an initial speed of v1 = 22.2 m/s approaches an intersection, Find the initial speed of the minivan
A bar magnet is oriented with its magnetic dipole moment at 50.7° to the direction of a 0.0983-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
Give four examples (two of each type) of optical devices which are best understood using either Geometric Optics or Physical Optics. Justify your examples.
A uniform meter stick with a mass of 205 g is supported horizontally by two vertical strings, one at the 0 cm mark and the other at the 90 cm mark. what is tension on the string at the 0 cm mark and at the 90 cm mark.
A rod has a linear density ? = 3x, where x is the distance along the rod, What is the coordinate of the center of mass of the rod
A 3 liter aluminium cylinder at 5°C is filled to the brim with gasoline at the same temperature. If the aluminium and gasoline are warmed to 62°C, how much gasoline spills out.
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.50 1011 m apart. What is the mass of the smaller star
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