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An organ pipe is 0.155m long and closed at one end. The temperature of the air inside the pipe is 23 C.
a) calculate the speed of sound waves in the pipe
b)calculate the wavelength of the sound waves
c)calculate the fundamental frequency of the organ pipe
d)calculate the frequency of the next harmonic?
What minimum constant acceleration does this need if the aircraft is to be airborne after a takeoff run of 250 m.
On Apollo Moon missions, the lunar module would blast off from the Moon's surface and dock with the command module in lunar orbit. Find the impact speed of the lunar module
Determine the heat transfer and work for each of the processes. What is the internal energy change for Process 1-2? What is the internal energy change for Process 2-3? (There is an answer posted for the same question, but the answer does not appea..
A double concanve lens has equal radii of curvature 15.1 cm. What is the index of refraction of the lens material
On a workday the average decibel level of a busy street is 80 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 45 every minute on a weekend, what is the decibel level of the street.
A meter stick is pivoted at its 50-cm mark but does not balance because of non uniformities in its material that cause its center of gravity to be displaced from its geometrical center. Find the mass of the meter stick and its location of its cente..
If the plant produces electric energy at the rate of 1.3GW , how much exhaust heat is discharged per hour
A 14 g ball of clay travelling east at 3.0 m/s collides with a 30 g ball of clay travelling north at 2.00m/s. What are the speed and the direction of resulting 44 g ball of clay.
A copper block is removed from a 301?C oven and dropped into 1.20kg of water at 20.1?C. What is the mass of the copper block
minivan moving at 38 m/s passes an unmarked state police car moving at 24 m/s. The electromagnetic waves produced by the radar gun in the police car have the frequency of 8.25 × 10^9 Hz.
Two slits spaced 0.500mm apart are placed 77.0cm from a screen. What is the distance between the second and third dark lines
A ball of mass 0.275kg that is moving with a speed of 5.1m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
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