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The field of an electromagnet is given by B = 0.02 + 0.0115z2, with B in tesla and z = distance in cm from the north pole of the magnet. A magnetic dipole whose moment has magnitude 1.34 x 10 -23 amp-m2 is located 8.00 cm from the north pole, the dipole moment vector at 40° to the local magnetic field direction. What are
(a) the torque on the dipole,
(b) the force on the dipole, and
(c) the energy released if the magnetic dipole is turned parallel to the field?
A person with a mass of 50 kg jumps vertically with an initial velocity of 2 m/s assuming there is no vertical forces other than a (subscript g) acting on a person
You are testing a new amusement park roller coaster with an empty car with mass 123 kg. One part of the track is a vertical loop with radius 11.1 m, how much work is done by the friction
one end of a meter stick is pinned to a table so the stick can rotate freely in a plane parallel to the tabletop. two
An athlete on a trampoline leaps straight up into the air with an initial speed of 5.1 m/s, find the speed of the athlete when she is halfway up to her maximum height
An electric vehicle starts from rest and accelerates at a rate of 2.4 m/s2 in a straight line until it reaches a speed of 25 m/s. How much time elapses from start to stop
what would be the tension in the string? Express your answer using two significant figures.
a clay vase on a potters wheel experiences an angular acceleration of 7.15 rads2 due to the application of a 14.1-n m
A current of 1.3 A flows through a 55.8 resistor for 5.2 min. How much heat was generated by the resistor
Assume she starts at the top of the wave with a speed of 1.4 meter per second and moves down the wave until her speed increases to 9.5 meter per second. determine how much work is done by the (non conservative) force of the wave
An electric field is E=(200 N/C) i in the region x>0 and E=( - 200 N/C) i in the region x
A space shuttle is orbiting the Earth at a distance of 2.00*10^7 m from the Earth 's center. Assuming a circular orbit, find the shuttle's velocity
a pump is used to empty a 4000 l wading pool. the water exits the 3.0-cm-diameter hose at a speed of 2.2 ms .how long
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