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For a research project, a student needs a solenoid that produces an interior magnetic field of 0.0500 T. She decides to use a current of 1.00 A and a wire 0.500 mm in diameter. She winds the solenoid in layers on an insulating form 1.00 cm in diameter and 10.0 cm long.
1) Determine the number of layers of wire needed.
2) Determine the total length of the wire.
You are 1.7m m tall and stand 3.5m m from a plane mirror that extends vertically upward from the floor. What is the minimum height the mirror must have for you to be able to see the top of the table in the mirror
An electric field of 8.55x10^5 V/m is desired between two parallel plates, each of area 35.00 cm^2 and separated by 2.45mm of air. What charge should be on each plate.
Conservation of energy tells us that energy cannot be created or destroyed. Clearly, energy is required for radioactivity to occur. Where is this energy coming from?
Find out the angle theta_1 through which the flywheel will have turned during the time it takes for it to accelerate from rest up to angular velocity omega_1.
Car Circles a Track. The 1,000 kg car is moving at the maximum speed it can without skidding off of the 50 m-radius, what is this maximum speed
A Physicist must determine the mass = m of a block of a wood without a scale. He pulls the block of wood up a ramp angle = 30 degreesusing a rope. find the mass of the block
The label on a 12.0-V truck battery states that it is rated at 219.0 A·h (ampere-hours), How much electric energy can the battery supply and How much charge in coulombs can be pumped by the battery
the coefficient of static friction is 0.26. If you apply the minimum force needed to get the refrigerator to move, illustrate what will the acceleration then be?
A 1070-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
A standing wave is created on a string of length 1.0 m and fixed at both ends. What is the wavelength of the third harmonic
A loudspeaker of mass 19.0 kg is suspended a distance of h = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l= 3.50m. Illustrate what is the tension T in each of the cables?
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