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A steel wire of length L with a cross-sectionaldiameter d is wrappedover a light frictionless pulley, wiht one end of the wireconnected ot a mass m1 and the other endconnected to mass m2 .
a.) How much will the wire stretch while the massesare moving?
b.) Determine the numerical value of htis stretch if L=2.0 m,d= 4.0 mm, m1 = 5.0kg,and m2=3.0kg.
An RLC circuit consists of a 863 ? resistor, a 49 µF capacitor, and a 265 mH inductor, connected in series with a 78.2 V, 96 Hz power supply. What is the phase angle between the current and the applied voltage? Answer between -180? and +180?
If you have 0.326 m^3 of water at 25 degrees celsius and add 0.127 m^3 of water at 95 degrees celsius; what is the final temperature of the mixture
A marble (radius 1.5 cm and mass 5.0 g) rolls without slipping down a ramp of vertical height 26 cm. What is the speed of the marble
The sinusoidal wave is traveling in the positive x-direction and has a frequency of 21.4 Hz. The wavelength is 10.4 cm, the amplitude is 4.13 cm, and the period is 0.047 seconds. What is the wave's speed?
Upstream of a normal shock in air the pressure is 14.7 psia and the temperature is 528R. Downstream of the shock the air pressure is 76.8 psia. What is the Mach number upstream of the shock
A 24-kg boy stands 5 m from the center of a frictionless playground merry-go-round, Calculate the speed of the boy relative to the surface of the merry-go-round
Using a grating with a spacing of 0.00046 cm, a line (which looks like red light) appears 27 cm from the central line on a screen. The screen is 1.9 m from the grating. What is the wavelength of the light?
Two identical capacitors are connected in parallel to an acgenerator that has a frequency of 740 Hz and produces a voltage of39 V. What is the capacitance of each capacitor
A 2.0-kilogram object moving with a velocity of 5.0 m/s in thepositive x direction strikes and sticks to a 3.0-kilogram objectmoving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision?
The surface of the drum of a laser printer is negatively charged, except in certain "print black" regions, such as letterforms, thathave been discharged by a laser beam. Negatively charged inkparticles carrying a charge of 5.0 mC cling to the "pri..
A 300-kg load is hung on a wire of length 5.00 m, cross-sectional area 0.200 × 10-4 m2, and Young's modulus 8.00 × 1010 N/m2. What is increase in length of the wire
The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. what must be the focal length of the eyepiece
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