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Suppose you are hilding a circular ring of wire and suddenly thrust a magnet, south pole first, away fro you toward the center of the circle. Is a current induced in the wire? Is a currentinduced when the magnet is held steady within the ring? Is acurrent induced when you withdraw the magnet? In each case, if youranswer is yes, specify the direction.
An organ tube is open at one end. A certain harmonic produced by the tube has a frequency of 450 Hz. The next higher harmonic has a frequency of 750 Hz. The speed of sound in air is 343 m/s. i. What is the integer n that describes the harmonic whose ..
A transformer with 340 turns in its primary coil and 30 turns in its secondary coil is designed to deliver an average power of 1390 W with a maximum voltage of 67 V
A 5-kilogram object initially slides with speed vo in a hollowfrictionless pipe. The end of the pipe contains two springs. one nested inside the other, Calculate the spring constant for the inner spring
A 300g rock tied to a string is rotated in a vertical circle (up and down, so gravity is important) with radius 0.5m. what is the rotation rate of the rock
q1. a 59.0 kg pole vaulter running at 9.5 ms vaults over the bar. if the vaulters horizontal component of velocity over
The sun is 1.5 1011 m from the earth. What is the total power radiated by the sun and Over what surface area is solar radiation spread at this distance
As the earth rotates through onerevolution, What is the average speed of this person inmeters per second and miles per hour
The technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, What is the age of a piece of solidified lava with a ^40Ar/^40K ratio of 0.31
What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 35.7 cm
A boy throws a stone horizontally from the top of a cliff of height h toward the ocean below. find the speed of the stone immediately before it reaches the ocean
A $100 cart is moving down an inclined plane at 1.30 m.s, The cart collides with a stationary object and rebounds with a speed of 0.970 m/s. What was the change in momentum
A large cruise ship of mass 6.80 107 kg has a speed of 12.8 m/s at some instant. what is the ship's kinetic energy at this time
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