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A metal rod of length l and mass m is suspended in a magnetic field from two light wires that are connected to a battery with emf μ. When a vertical magnetic field B→ is turned on, the supporting wires make an angle θ with the vertical.
Part a. Determine the current in the loop
Part b. Determine the resistance in the circuit.
Part c. Determine the tension in the wire.
a series rc circuit has a time constant of 0.960 s. the battery has an emf of 48.0 v and the maximum current in the
A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball
The temperature difference between the inside and the outside of a home on a cold winter day is 49°F. Express this difference on the Celsius scale.
After sliding across the horizontal surface, the block of mass M collides elastically with a vertical rod of length R and mass MR that is pivoted at the upper end. What is the maximum displacement angle
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Two cars are 1.35km apat and starting com rest mov directly toward each other. Car a has an acceleration of .37 m/s2 and car b has acceleration of .52 ms2
Two jets of material from the center of a radio galaxy fly away in opposite directions.Find the magnitude of the velocity of one jet relative to the other
q1. two wires each 28.15 cm long are connected to two separate 9.00 v batteries as shown in the figure. the resistance
One mole of helium atoms has a mass of 4 grams. If a helium atom in a balloon has a kinetic energy of 1.224e-21 J, what is the speed of the helium atom
a small block of mass m is given an initial speed vo up a ramp inclined at angle theta to the horizontal. it travels a
A very smart three year old child is given a wagon for her birthday. She refuses to use it. "After all," she says, "Newton's third law says that no matter how hard I pull, the wagon will exert an equal but opposite force on me. So I will never be ..
What is the sound intensity level. One on an Incline--One Hanging A block of mass mA = 4.50 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to the second block of mass mB = 2.80 kg ha..
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