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A 2 -m-long string, fixed at both ends, has a mass of7g. If you want to set up a standing wave in this string having a frequency of318Hz and three antinodes, what tension should you put the string under?
a harmonic sound of wavelength 40cm is resonating in the first overtone of an organ pipe which is closed at one end and open at the other. what is the length of the pipe
an insulated thermos contains 151 cm3 of hot coffee at 75 degc. you put a 12.0 g ice cube at its melting point to cool
A 0.037 kg aluminum bullet traveling at 460 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
Communications satellites are used to bounce radio waves from the earth's surface to send messages around the curvature of the earth. In order to be available all the time, they must remain above the same point on the earth's surface and must move..
A 19 kg solid disk of radius 0.44 m is rotated aboutan axis through its center. If the disk accelerates from rest to anangular speed of 2.5 rad/s while rotating1.0 revolutions, what net torque is required
question a 5.0- strand of dna carries charge per of length. treating it as a charged line whats the electric field
Two rockets, A and B, approach the earth from opposite directions at speed 0.60c. What is the length of rocket A as measured by the crew of rocket B
A lens has diameter of 30 mm, What is the lens' theoretical resolution limit (in nm) when it is used in air with light of 550-nm wavelength
Calculate the flow rate in cubic centimeters per second in an aorta of radius 60 cm if the average blood velocity in it is 0.81 cm/s
an initally stationary 15-kg crate of cheese wheels is pulled via a cable a distance d=5.70m up a frictionless ramp to a height of h=2.50m, what is the power rating of the lifting device
An avalanche of ice and snow of mass 1 800 kg slides a vertical distance of 160 m down a mountainside. what is the change in entropy of the universe
In an L-R-C series circuit, the resistance is 420 ohms, the inductance is 0.340 henrys, and the capacitance is 1.80×10?2 microfarads. What is the resonance angular frequency of the circuit
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