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The equation of a transverse wave traveling along a very long string is y = 5.0 sin (0.055 ?x + 6.0 ?t), where x and y are expressed in centimeters and t is in seconds. Determine the amplitude of propagation of the wave.
Let the drag force on a ball of mass m moving through air in the gravity-free bubble include both "viscous" drag F1=-kv, Find the velocity v of a ball thrown with initial speed v0.
The battery has internal resistance of 0.100 Ω, and the rod and rails have negligible resistance. A 2.02 T magnetic field is directed perpendicular to the plane of the circuit. Find the magnetic force on the rod. F= 38.78 N. Find out the rod's spe..
A 0.200H inductor is connected in series with a 85.0? resistor and an ac source. Derive an expression for the voltage vR across the resistor
A long, straight telephone cable contains six wires, each carrying a current of 0.300A, If the currents in all six wires are in the same direction, what is the magnitude of the magnetic field 2.70 m from the cable
A uniform solid disk with a mass of 28.3 kg and a radius of 0.514 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as drawing illustrates.
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 150 cm, Find the magnitude and direction of the second displacement
The lightbulb in the circuit shown in the figure(Figure 1) has a resistance of 14? and consumes 9.7W of power, find speed of the rod
What is the centripetal acceleration of an object on the Earth's equator owing to the rotation of the Earth? What would the period of rotation (in hours = h) of the Earth have to be for objects on the equator to have a centripetal acceleration equ..
A solid sphere of mass 6.0 kg is mounted on a vertical axis and can rotate freely without friction, What is the speed of the block after it has fallen 80 cm
What is the gauge pressure of the air in the tires when its temperature rises to 27 .00C and its volume increases to 1.67 x 10-2 m3? Assume atmospheric pressure is 1.01 x 105 Pa.
A gauge-12 wire has diameter centimeters and length meters. while the voltage volts is applied to the ends of the wire, the current is amperes. The concentration of free electrons in the wire is per cubic meter.
If a disco disk is rotating with a person on it on the outer side, then if he moves inside (towards the center), the angular velocity will change-How will the energy be conserved.
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