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A motor run by a 7.1 Volt battery has a 16-turn square coil with sides of length 5.8 centimeter and total resistance 20 ohm. When spinning, the magnetic field felt by the wire in the coil is 0.027 T. Obtain the maximum torque on the motor?
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Question: The sun emits electromagnetic waves with a power of 4 x 1026W. a) Determine the intensity of electromagnetic waves from the sun just outside the atmospheres of Venus. b) Determine the intensity ofelectromagneti ...
Question: The pressure at the top of the water in a city's gravity-fed reservoir is 1.0 x 105N/m2. Part A: Determine the pressure at the faucet of a home 39 m below the reservoir. Express your answer to two significant f ...
A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +7.8 m/s and ax = +5.3 m/s2. The y components of ...
Question: An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The maximum displacement from equilibrium is A and the total mechanical energy of the system is E. What is th ...
Consider the following examples, which involve energy being transformed from one kind to another. Identify the initial input & final output forms of the energy in each case. Identifying intermediate energy conversions ma ...
A system of four particles moves along one dimension. The center of mass of the system is at rest, and the particles do not interact with any objects outside of the system. Find the velocity, v4, of particle 4 at t1 = 2. ...
Question: Io loses about a ton (1000 kilograms) of sulfur dioxide per second to Jupiter's magnetosphere. Part A: At this rate, what fraction of its mass would Io lose in 9.0 billionyears ? Express your answer using two s ...
A particle starts from the origin at t = 0 with an initial velocity having an x component of 26.6 m/s and a y component of -14.8 m/s. The particle moves in the xy plane with an x component of acceleration only, given by ...
Question: An object of mass m is traveling on a horizontal surface. There is a coefficient of kinetic friction µ between the object and the surface. The object has speed v when it reaches x=0 and encounters a spring. Th ...
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