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You sing into a well and find that the well resonates at frequencies of 176 Hz and 208 Hz with no resonances between these two frequencies. A) What is the frequency of the fundamental mode? B) What is the depth of the well (Assume the speed of sound is 343 m/s)? C) Which harmonic is the 176 Hz resonance? D) Which harmonic is the 208 resonance?
A charge of 2.50 is held fixed at the origin. A second charge of 2.50 is released from rest at the position (1.25 , 0.570 ). If the mass of the second charge is 2.75 , what is its speed when it moves infinitely far from the origin
The electrons in a rigid box emit photons of wavelength 1484 nm during the transition. How long is the box in which the electron are confined
A cannonball is shot (from ground level) with an initial horizontal velocity of 39.0 m/s and an initial vertical velocity of 27.0 m/s. What is the initial speed of the cannonball
prepare a 750- to 1050-word paper in which you analyze your articles. address the following define consumer psychology.
When a mercury manometer is connected to a gas main, the mercury stands 48.9 cm higher in the tube that is open to the air than in the tube connected to the gas main
The clapper is a small, 1.8 kg mass attached to one end of a slender rod that has length L and negligible mass. The other end of the rod is attached to the inside of the bell
q1. a power supply passing throughout a resistor is supposed to deliver 22-v dc at a max current of 150ma. the
A laser beam whose wavelength is 681 nm falls on a barrier containing a pair of very narrow slits. A screen is located 2.61 m from the slits. find the separation between the centers of the two slits
Two point charges = 2.10 and = -6.40 are 0.100 apart. Point is midway between them; point is 0.080 from and 0.070 from. Take the electric potential to be zero at infinity.
A cube of wood having an edge dimension of 20.3 cm and a density of 647 kg/m3 floats on water. What is the distance from the horizontal top surface of the cube to the water level?
Huck Finn walks at a speed of .6m/s across his raft (that is perpendicular to the raft's motion relative to the shore). what is Huck's velocity(speed and direction) relative to the river bank
A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a line along the string passes through the center of the ball. What is the force the pole exerts on the ball
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