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A long solenoid with 12.8 turns/cm and a radius of 8.91 cm carries a current of 21.9 mA. A current of 9.60 A exists in a straight conductor located along the central axis of the solenoid.
(a) At what radial distance from the axis in centimeters will the direction of the resulting magnetic field be at 51.8° to the axial direction?
(b) What is the magnitude of the magnetic field there?
A bicycle wheel of radius 0.4 m is spinning at a rate of 65 revolutions per minute. find the centripetal acceleration of a point on the edge of the wheel
A metal ball with a mass of 3.81·10-6 kg and a charge of +5.21 mC has a kinetic energy of 4.77·108 J. how close will it come to the plane before stopping
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3, find the volume of helium in the balloon when fully inflated
In a television tube, electrons travel down the tube and strike the fluorescent material at the end of the tube. What is the acceleration of an electron during this process
You find a pirate map which describes the path to a buried treasure. Starting from an old oak tree in a field, How far away from the base of the oak tree and in what direction is the treasure buried
Why is the following situation impossible? A freight train is lumbering along at a constant speed of 16.0m/s. Behind the freight train on the same track is a passenger train travelling in the same direction at 40.om/s.
a 3 kg cart moves on an air track at 1.2 m/s. It collides with and sticks to another cart of mass 5 kg, What is the velocity of the combined cart after collision
A cable is 5.00 m long and has a diameter of 1.50 mm. The tensile modulus of the cable is 2.50 × 1010 N/m2. A force is applied to the end of the cable and the cable stretches by 3.00 mm. What is the applied force?
Lightbulbs with the power ratings giving in the figure are connected in a circuit as shown. Find the power dissipated to each bulb
the hanging object has a mass of m1 = 0.370 kg; the sliding block has a mass of m2 = 0.780 kg; and the pulley is a hollow cylinder with a mass of M = 0.350 kg, Find the angular speed of the pulley at the same moment
Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. find the magnitude and direction of their final velocity
A sample of gas (? = 1.5) is taken through an adiabatic process in which the volume is compressed form 1600 cc to 400 cc. If the initial pressure is 150 KPa, what is the final pressure? How much work is completed on the gas in process.
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