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A 350-turn solenoid, 28cm long, has a diameter of 2.0cm . A 19-turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 4.5A in 0.56s , what will be the induced emf in the short coil during this time? Express your answer using two significant figures.
A vertical straight wire carrying an upward 21A current exerts an attractive force per unit length of 8.7x10^4 N/m on a second parallel wire 6.0cm away
When a 42.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 62.0 A. Wh..
One mole of helium atoms has a mass of 4 grams. If a helium atom in a balloon has a kinetic energy of 1.224e-21 J, what is the speed of the helium atom
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), each with a mass of 3.27e-25 kg. Determine the radius of the path
On the moon the surface temperature ranges from 376 K during the day to 0.98 102 K at night. What are these temperatures on the Celsius scale
A converging lens with a focal length of 89.0cm forms an image of a 3.25cm -tall real object that is to the left of the lens. Where are the object and image located in relation to the lens
A rail car that weighs 34 N is accelerated at 8.3 m/s/s for 5.9 seconds. How much work is done on the rail car? The acceleration is constant
Two objects A and B start at the same place and move on a straight line in the same direction. what is the distance between the two objects after 3 seconds
A transverse wave is propagation on water surface and is described by the equation y=0,01sin[(1,0)x + (30) t ], find the magnitude of velocity of the particle's displacement
A hand-pumped water gun is held level at a height of 0.65 m above the ground and fired. Find the gauge pressure of the water gun's reservoir at the instant when the gun is fired
A heat engine takes 0.200 moles of an ideal gas around the cycle shown Step 1 to 2 is a constant volume process. Step 2 to 3 is adiabatic. Find the net work done by the gas in one cycle
A person carries a long pole of mass 20 kg and length 3.4 m at the angle of 60 degrees. Find the magnitude of the torque on the pole due to gravity.
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