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A small circular loop of wire of radius 5 centimeter and resistance R = 1.7 x 10-3 ohm is centered inside a large circular loop of wire of radius 50 centimeter. The larger loop, which initially carries a current I = 7.2 Amp, is cut and its current is reduced to zero over a time interval of 1.1 x 10-6 second. Obtain the average current in the smaller loop during this time interval.
A slingshot fires a pebble from the top of a building at a speed of 20.00 m/s. The building is 28-m tall. Ignoring air resistance, find out the speed with which pebble strikes the ground when the pebble is fired (a) horizontally (b) vertically str..
A 1500kg car moving at 40Km/hr is brought to a sudden stop. If all the car's kinetic energy is dissipated in heating its four 5.0kg steel brake disks, by how much do the disk temperatures increase? The specific heat of steel is c=0.120cal/gdegree Cel..
A 6.30 x 10 -5 H solenoid is constructed by wrapping 54 turns of wire around a cylinder with a cross-sectional area of 6.4 x 10-4 m2. Determine the change in the length of the solenoid
Assume that when you ride on your 7.60-kilogram bicycle the weight of you and the bicycle is supported equally by the two tires. compute what is your weight
if r 12 cm m 370 g and m 40 g below find the speed of the block after it has descended 50 cm starting from rest.
A proton moves at constant velocity in the +y direction, by a region in which there is an electric field and a magnetic field. The electric field is in the +x direction, and has magnitude 700 V/m. The magnetic field is in -z direction, and has ma..
A system performs 352 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process
In a non-uniform gas, the equation of state is valid locally, as long as the density does not change too rapidly with position. Find the density as a function of height
A race vehicle accelerates uniformly as it leaves the pit area, going from rest to 320 km/h in a semicircular arc with a radius of 198 meter. Find the radial acceleration of the vehicle at this time
Describe the method used to measure the Sun's shadow and in the drawing on page 18 what are the letters b and d used for?
A CD (radius 6.0 cm) is spinning freely with an angular velocity of490rpm when a bug drops onto the CD a distance4.4cm from the center. find the ratio of the bug's mass to the mass of the CD
A Carnot engine operating between a warmer unknown temperature and a reservoir of boiling helium at 1.76 K has an efficiency of 75%. What is the warmer temperature
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