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A circular loop of radius r= 0.15mm carries a current of I= 2.0A in a constant magnetic field B= 0.10T. What is the torque of the loop if it's surface normal is at 32° angle relative to the magnetic field?
A wedge of mass m=36.1 kg is located on a plane that is inclined by an angle ?=21.3 degrees with respect to the horizontal. A force F=302.3 N in the horizontal direction pushes on the wedge. The coefficient of kinetic friction between the wedge and t..
Find the minimum initial speed of a projectile in order for it to reach a height of 2201 km above the surface of the earth
A 1.6-in. deflection of the second floor of a building is measured directly under a newly installed 8200-lb piece of rotating machinery which has a slightly unbalanced rotor.
A source emits sound uniformly in all directions. There are no reflections of the sound. At the distance r1 from the source the sound is 3.9 dB louder than it is at a distance r2 from the source. What is the ratio r1/r2.
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 408 m, determine the linear speed of the dragster
A block of mass m = 5.0 kg is pulled along a rough horizontal surface by a rope as sketched in the figure below. The tension in the rope is 80 N, Find the work done by friction on the block
q1. the crate lies on a plane tilted at an angle theta 27rm circ to the horizontal with muk 0.15.establish the
The height of a helicopter above the ground is given by h = 2.90t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
Explain various factors that led to the scramble and partition of Africa and West Africa in particular by European powers.
A dielectric-filled parallel-plate capacitor has plate area = 10.0mm , plate separation = 10.0mm and dielectric constant = 3.00. Find the energy of the dielectric-filled capacitor
A tire is filled with air at 15°C to a gauge pressure of205kPa. If the tire reaches a temperature of39°C, what fraction of the original air must be removed
A ball thrown horizontally at 28 m/s travels a horizontal distance of 55 m before hitting the ground. From what height was the ball thrown
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