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In this section assume the sound speed in air is 343 . A goose flying toward you at 12.4 emits a squawk, which you hear at 251 . Find the wavelength of the sound you hear. Find the wavelength of the sound you hear if the goose emits the same squawk while flying away at the same speed?
The partnership earnings before partners' withdrawals for 2005 totaled $484000. Calculate José's gross income from the partnership from the above for 2005.
A student sets up a double slit interference experiment using light of wavelength λ. The separation between the slits is 25λ. What are the angles for the first three dark fringes
A steady torque of 23-N•m is applied to a grindstone whose moment of inertia is 0.130 kg•m2. Using energy principles, and neglecting friction, determine the angular speed after the grindstone has made 13.0 revolutions.
The critical angle for a certain liquid-air surface is42.0°. What is the index of refraction of the liquid
A 40 ohm resistor and a 60 ohm resistor are connected in series to a 12 volt battery. What is the voltage difference across each resistor
A rail car of mass 4500 kg is moving with a velocity of 12.4 m/s collides with a stationary rail car of mass 6700 kg. What is the velocity of the two cars
A lost shipping container is found resting on the ocean floor and completely submerged. The container is 6.2 m long, 2.5 m wide, and 2.8 m high, What is the mass of the container
In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (?196°C ) and in boiling pentane (36.1°C). The separate pressures are 0.349 atm and 1.442 atm. Hint: Use the linear relationship P = A + BT, where A and B ..
Two identical objects each hold a net charge of q = 9e. If the gravitational force between the two objects exactly cancels the electrostatic force between the objects, what is the mass of each object
A stone with a mass of 0.80 kg is attached to one end of a string 0.900 m long. The string would break if its tension exceeds 600-N.
X rays with a wavelength of 0.24nm undergo first-order diffraction from a crystal at a 53%u2218 angle of incidence. At what angle does first-order diffraction occur
Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car
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