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A wire of thickness d = 1.9 mm is tightly wound in a single layer 200 times around a cylindrical core to form a solenoid (no space between its turns). A current I = 10 A is sent through the wire. What is the magnetic field at the center of the solenoid?
Infrared spectra are used by chemists to help identify an unknown substance. Atoms in a molecule that are bound together by a particular bond vibrate at a predictable frequency, determine the resonant frequency of this bond and the wavelength of li..
Dez pours a liquid (n = 1.43) into a container made of glass (n = 1.51). Find the angle of the corresponding refracted ray
A small helium-neon laser emits red visible light with a power of 3.2 mW in a beam with a diameter of 2.5 mm. what is the total energy contained in a 1.00 m length of the beam
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
Emilie's potter's wheel rotates with a constant 2.20rad/s2 angular acceleration. What was the angular velocity of the wheel at the beginning of the 3.30s interval
A 129-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. How far is the pivot from the sculpture's center of mass
A 15.25 kg object moving east at 2.50 m/s collides with and bounces off of a 28.75 kg object moving west at 1.75 m/s. what is the final velocity of the lighter object
Two rockets, A and B, approach the earth from opposite directions at speed 0.60c. What is the length of rocket A as measured by the crew of rocket B
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
20 g of helium are placed in a cylinder with a movable piston. What is the maximum temperature reached during the compression
A long jumper maintains a constant horizontal velocity component of 7.15 m/s while jumping upward with vertical component 3.85 m/s. Determine her horizontal range
A small turbo-prop commuter airplane, starting fromrest on a Tallahassee airport runway, accelerates for 22.5s before taking off. Its speed at takeoff is 50.6m/s.
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