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One end of an iron poker is placed in a fire where the temperature is 515°C, and the other end is kept at a temperature of 24°C. The poker is1.2 m long and has a radius of 5.0 multiplied by 10-3 m. Ignoring the heat lost along the length of the poker, discover the amount of heat conducted from one end of the poker to the other in 5.0 s.
CA particle with a charge of = -5.40 is moving in a uniform magnetic field of -1.21. The magnetic force on the particle is measured to be ?7.60×10?7. calculate the x component of the velocity of the particle
find the angular speed after the grindstone. what must be its minimum mass so that material on its surface remains in place during the rapid rotation.
Arthur and Betty start walking toward each other when they are 100 m apart. Arthur has a speed of 3.0 m/s and Betty has a speed of 2.0 m/s. Their dog, Spot, starts from Arthur's side at the same time and runs back and forth between them. By the time ..
What are the similarities and differences between the virtual image formed of an object by a plane mirror and the virtual image of the same object, the same distance away from a convex mirror?
A circular coil enclosing an area of 96 cm2 is made of 199 turns of copper wire. The wire making up the coil has resistance of 3.0 , and the ends of the wire are linked to form a closed circuit.
A converging lens with a focal length of 12.4cm forms a virtual image 8.50mm tall, 17.6cm to the right of the lens. Determine the position of the object
Consider the crates in the figure where m1 = 45 kg and m2 = 12 kg. Assume that there is no friction between m1 and the table, Write Newton's second law for motion along both coordinate directions
Using cylinders 3 cm in diameter and 0.50 m long, students constructed a musical instrument by placing liquid in the cylinders. The temperature was about -10 degrees celcius and they can use the formula for the speed of sound in air:
A baseball is hit at an angle of 60° above the horizontal with a speed of 40 m/s. There is a 15 m high fence located at 120 m from the batter. How high is the ball at its highest point
Two capacitors of capacitance 5.0 μF and 8.0 μF areconnected in series. The 3rd capacitor of 10 μF isconnected in parallel with the 1st capacitor 5.0 μFcapacitor. The network is connected to a battery of 9.0V.
A 0.10-kg balloon is filled with helium(density = 0.179 kg/m3). If the balloon is a sphere witha radius of 6.3 m, what is the maximum weight it can lift
What is the moment of inertia of the disk for rotation about an axis through the edge of the disk
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