A 30 cm long organ pipe is filled with air and is open at one end and closed at the other. The velocity of sound in air at 0
is 331 m/s. What is the wavelength of the third mode?
A. 48 cm
B. 36 cm
C. 30 cm
D. 24 cm
E. 12 cm
D. 24 cm
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A 3.0 ? resistor is connected in parallel with a 6.0 ? resistor. This combination is connected in series with a 4.0 ? resistor. The resistors are connected to a 12. volt battery. How much power is dissipated in the 3.0 ? resistor?
A) 12 W B) 5.3 W C) 7.7 W D) 6 W E) 2.7 W
A hollow cylindrical (inner radius = 1.0 mm, outer radius = 3.0 mm) conductor carries a current of 80 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 2.0 mm from the axis of the conductor.
A. 8.0 mT B. 3.0 mT C. 5.3 mT D. 16 mT E. 1.2 mT
Tungsten is a BCC metal with a lattice parameter of 0.3165 nm. What is the direction and magnitude of the Burger’s vector in tungsten, corresponding to the plane and direction of maximum packing density?
What will be an ideal response?
_______________ are comets that come very close to the Sun
Fill in the blank(s) with correct word