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Two steel guitar strings have the similar length. String A has a diameter of 0.51 millimeter and is under 430 Newton of tension. String B has a diameter of 1.2 millimeter and is under a tension of 840 Newton. Determine the ratio of the wave speeds, vA/vB, in these two strings.
A Carnot engine whose high-temperature reservoir is 400K takes in 520 J of heat at this temperature in each cycle, compute the temperature of the low-temperature reservoir
Two 1.7 kg masses are 1.5 m apart on a frictionless table. Each has + 9.7 mu C of charge.What is the magnitude of the electric force on one of the masses?
A proton accelerates from rest in a uniform electric field of650 N/C. At some later time, its speedis 1.3 106 m/s. Find the magnitude of the acceleration of the proton. How long does it take the proton to reach this speed?
A railroad car of mass 2.46 multiply.gif 104 kg, is moving with a speed of 4.13 m/s. What is the speed of the four cars after the collision
If the staircase is 25-m high and a 90-kg man runs up the staircase in 35s, how much power does he use? And what is his horse power rating
a particle of mass m is confined to a tube of length l.a use the uncertainty principle to estimate the smallest
A pipe is horizontal and carries oil that has a viscosity of 0.14 Pa s. The volume flow rate of the oil is 5.7 × 10-5 m3/s. What is the absolute pressure at the input end
A 4 cm diameter loop with resistance 0.18 Omega surrounds a 2 cm diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left.
Disturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a speed bump (called the "Holly hump") and had it installed. Suppose a 1 800-kg car passes over a hump in a roadway that follows the arc of a circle of rad..
An object is located at -3 cm. If its maximum oscillation amplitude 9cm what is the phase constant in radius
Two circular disks spaced 0.50mm apart form a parallel-plate capacitor. What are the diameters of the disks
The battery charger for an MP3 player contains a step-down transformer with a turns ratio of 1:27, What voltage does the secondary coil of the transformer provide
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