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A magnet of mass 0.05 kg is dropped and falls vertically. It then enters at the top of a 25.0 cm copper tube. The speed when it enters is 1.50 m/s. Eddy currents are induced, causing the copper to warm up as the magnet falls through the tube. The speed of the magnet as it emerges from the tube is 1.50 m/s, the same as the initial speed. How much heat energy is dissipated to the environment?
a manufacturer of fasteners uses a four die nut former to produce blanks and the piercer punch began to break down
A ball with a mass of 0.580 is initially at rest. It is struck by a second ball having a mass of 0.415 , initially moving with a velocity of 0.260 toward the right along the axis. What is the change in the total kinetic energy of the two balls
an organ pipe is 0.155m long and closed at one end. the temperature of the air inside the pipe is 23 c.a calculate the
A cord of length 1.3 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 12 N. What is the frequency of the fundamental oscillation
Jeff of the Jungle swings on a vine that is 7.20 long. At the bottom of the swing, just before hitting the tree, Jeff's linear speed is 8.50. Find the magnitude of his tangential acceleration
A 1.53 kg ball is attached to a ceiling by a 3.06 m longstring. The height of the room is 5.12 m. The acceleration of gravity is 9.8 m/s2. What is the gravitational potential energy associated with theball relative to the ceiling? What is the gravit..
A box is placed on a frictionless inclined plane with an angleof 26 degrees. The box has a mass of 29 kg, what force would you need to apply to the box
A 6.70 -uC particle moves through a region of space where an electric field of magnitude 1300 N/C points in the positive x direction, find the components of the particle's velocity
A 75kg person goes down a straight slide inclined at 32 degrees above the horizontal. what is the persons acceleration
What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 515 turns, its secondary 8 turns, and the input voltage is 124 V, What is the power input
A cart of mass 500g is running with a speed 0.8m/s to the right; What is the magnitude of the total momentum of the carts
Kids in a tree house lift a small dog in a basket 4.00 meter up to their house. If it takes 193 Joule of work to do this, determine the combined mass of the basket and dog
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