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An organ pipe is 107 cm long. What is the third audible harmonic if the pipe is closed at one end? The speed ofsound in air is 343m/s. Answer in Hz please.
A wire has a current density of 17.0 A/mm2. If Thedrift velocity is 4.0 x 10-8 m/s, how many free electrons does the wire have in a 1.0 m length
A sprinter running a 100 m dash leaves the starting block and accelerates to a maximum velocity of 11m/s at 6s into the race. What was the sprinter's average acceleration during the first 6s of the race
Two radio waves are used in the operation of a cellular telephone. To receive a call, the phone detects the wave emitted at one frequency by the transmitter station or base unit. determine the difference between the two frequencies used in the oper..
A coil has an inductance of 0.45 H and a resistance of 42 ohms. The coil is connected to a 5.6 V ideal battery. At what rate is the energy being dissipated
A hand grenade (m=580g) slides across the (essentially frictionless) floor at a speed of 0.86 m/s. determine the speed of the second fragment
Use the worked example above to help you solve this problem. A balloon contains 4.40 moles of a monatomic ideal gas. Find the work Wenv done by the gas in expanding the balloon
A nerve fiber (axon) may be approximate as a long cylinder. what is the resistance of a 0.3-m long fiber
Consider purchasing a new tire with a warranty of 6.4 x 10^7 meters. Calculate the thickness of the tread that will be worn away with each revolution of the tire
A child pulls a friend in a little red wagon with constant speed. If the child pulls with a force of 16 N for 10.0 m, how much work does the child do on the wagon
A hollow non-conductiong sphere has a uniform charge density ?. The inner and outer radius of the sphere are r1 and r2m respectively. What is the total charge of this sphere
Two astronauts are 1.0 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves.
A uniform rod of mass 2.95×10?2kg and length 0.380m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod
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