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A coil of radius 75 mm has 250 turns and carries a current of 2.2 A.Find the magnetic field at the centre of the coil and at a point along the axis 150 mm along the coil.How far along the axis must you go to find the magnetic field has dropped to half its value at the centre of the coil?
15.0kg stone slides down a snow-covered hill, leaving point A with a speed of 10.0m/s . There is no friction on the hill between points A and B, How far will the stone compress the spring
A Carnot engine operating between energy reservoirs at temperatures 300K \rm K and 530K K produces a power output of 1200W, What is the rate of heat output
The space shuttle typically travels in a circular orbit at an altitude of 500 km above the Earth's surface. Given that the value of g is 8.5 m/s2 at an altitude of 500 km, determine the value of the shuttle's speed in this circular orbit
A simple pendulum of length l and mass m is attached to a massless spring with elastic constant k. The attachment point moves only in a vertical direction. Obtain the Lagrange's equations of motion
A gas has a volume of 3m3 when it is at the temperature of 23K. It's temperature now hoes up to 46K. WHat is it's new volume.
A rope having a total mass of 0.4 kg and total length of 4 m has a 0.6 m of the rope hanging vertically down off a work bench. Explain how much work must be done to place all the rope on the bench?
A woman in a movie fires a gun and is pushed backwards. The mass of the bullet is 0.050 kg and the bullet velocity is +850 m/s. What is the recoil velocity of the woman
The volume control on a surround-sound amplifier is adjusted so the sound intensity level at the listening position increases from 21 to 59 dB. What is the ratio of the final sound intensity to the original sound intensity?
The rotor (flywheel) of a toy gyroscope has mass 0.150 kg. Its moment of inertia about its axis is 1.20x10^-4kgm^2. Find the upward force exerted by the pivot
A bead with a mass of 0.083 g and a charge of 15 nC is free to slide on a vertical rod. At the base of the rod is a fixed 10nC charge. In stability, at what height above the fixed charge does the bead rest.
A ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center. The disk has mass md = 3.3 kg and radius R = 0.22 m. The rods each have mass mr = 1.2 kg and length L = 0.76 m. 1) What is the moment of inertia of each rod a..
The air inside a bicycle tire pump has 172 joules of work done on it as 64.8 joules of heat is conducted away from it
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