Find out the beat frequency heard
What is the beat frequency heard when two organ pipes, each open at both ends, are sounded together if one pipe is 58 cm long and the other is 67 cm long? (The speed of sound is 340 m/s)
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A light fixture contains 2 light bulbs. The lifetime Xi of each bulb is exponentially distributed with a mean of 200 hours, i= 1,2,3. Suppose bulb lifetimes are independent from one another. Let T equal the time until a bulb in the fixture needs r
Determine the torque T and power P that can also act simultaneously on the shaft without exceeding a resultant shearing stress of 56 MPa and a resultant normal stress of 98 MPa. (With f expressed in rev/sec and torque in N.m,P=2pf·T in watt
If we have no information about the proportion of votes that either candidate received, determine the sample size necessary to be 95% confident that the error will be within 4 percentage points.
How thick (i.e. altitude-wise) would the atmosphere have to be in order to have a temperature rise of no more than 0.5 C?
A machine produces 1000 rubber 0=rings per hour. Each ring has a .9 probability of meeting a thickness specification.
A 12-mm-diameter specimen is subjected to tensile loading. The increase in length resulting from a load of 9 kN is 0.025 mm for an original length Lo of 75 mm. What are the true and conventional strains and stresses? Calculate the modulus of elast
A large wrecking ball is held in place by two light steel cables. if the tension TA in the horizontal cable is 600 N, what is: a.) the tension TB in the other side that makes an angle of 40o with the vertical? b.) the mass of the wrecking ball?
Assuming no heat is lost to the surroundings and neglibible heat loss from the container. Determine the total change in entropy as a result of the mixing process.
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