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At large distances, a bar magnet acts like the magnetic dipole created by a current carrying loop. Imagine such a magnet is oriented as shown. The field strength at a point 10 cm from the magnet along the dipole axis is 5.0 ?T, where 10 cm >> the size of the magnet. The field strength is calculated in your book for a current carrying loop and the dipole moment of such a loop is discussed. Look up the discussion and answer the following:
a) What is the magnetic dipole moment of the bar?
b) What is the on-axis field strength 15 cm from the magnet?
A ball is released from the top of a cliff; it hits the ground 1.6 seconds later. Assuming the ball is a free falling object, how many meters is the cliff above the ground below
Three point charges are on the x-axis. The first is located at -4meters and has a charge of -6 coulombs. compute the net force on the charge at the origin
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air, that the patient and platform start from rest, determine the recoil velocity
how much kinetic energy does each electron have. Blocks of mass m_1 and m_2 are connected by a massless string that passes over the pulley.
If the initial speed of the block is increased to infinity, it turns out that the time taken for the block to come to a rest approaches a finite value whereas the distance traveled approaches infinity, Find the maximum time taken for the block to c..
During a baseball game, a batter approaches the plate. The pitcher hurtles the ball in the direction of the batter at a speed of 85 miles per hour. find the momentum of the system in the center of mass frame
A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , At what angle does the crate begin to slide
an aiplane accelerates from rest down a runway at 3.20 ms2 for 32.8 s until it finally lifts off the ground. determine
The intensity of sunlight at the distance of the Earth's orbit is 1380 W/m2. An Earth-orbiting satellite has a solar panel that measures 1.35 m by 4.86 m, how much electrical energy does the panel produce
Suppose that the spring is ideal and that the distance by which the spring is compressed is negligible compared to H.
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
A microscope has an objective lens with a focal length of 16.22 mm and an eyepiece with a focal length of 9.50 mm. what is the actual diameter of the red blood cell
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