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A bat emits a sound whose frequency is 80 kHz. The speed of sound in air at 20.0°C is 343 m/s. However, the air temperature is 35°C, so the speed of sound is not 343m/s. Suppose that air behaves like an ideal gas, compute the wavelength of the sound.
Point A is located 0.259 m away from a charge of -2.11 x 10-9 C. Point B is located 0.487 m away from the charge. What is the electric potential difference VB - VA between these two points.
A town is planning on using the water flowing through a river at a rate of 5.0 x 106 kg/s to carry away heat from a new power plant, What is the maximum power this plant can produce
A cart of mass m1 = 0.500 kg moves with a velocity of 0.900 m/s to the right on a frictionless track. It collides with another cart of mass m2 = 0.500 kg at rest. Car m1 stops and m2 moves in the direction that m1 was traveling. What is the magnitude..
A uniform thin rod of length L=2.5 m and mass 2 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is at rest when a 0.3 kg ball of putty, moving in the horizontal plane of the rod, hits and sticks to one end.
In a standing wave pattern the distance between the second and the seventh nodes is 5cm. find the wavelength and the speed of the wave
A thin film of water sits on top of a flat piece of glass, and light is incident from below, what is the angle of refraction of the final outgoing ray
A nuclear power plant has a maximum steam temperature (TH) of 280 degrees C. Then, if it is summertime TC is 40 degrees C, what is the summertime electric power output assuming nothing else changes
Suppose you have a gamma ray photon of wavelength 0.0001 nm that hits a muon. If the exiting gamma ray comes out at 30°, what is the wavelength of the exiting photon
A proton high above the equator approaches the Earth moving straight downward with a speed of 345m/s. Find the acceleration of the proton
a particle rotates in a circle with a centripetal acceleration of 18.36 meters per second squared. if the radius is
question the plates of a spherical capacitor have radii 43.4 mm and 46.9 mm. what must be the plate area in square
a polymer molcule is 3.05μ m long. the ends of themoleculebecome singly ionized-negative on end end, determine the effective spring constant of the molecule
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