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A wistle (frequency = 594 Hz) is essentially a tube with one end open. If the 500 Hz sound is the 1st harmonic, what is the length of the whistle?
high-frequency sound waves exhibit less diffraction than low-frequency sound waves do. Determine the angle that locates the first minimum to either side of the central maximum in the diffraction pattern for the sound
If three 0.8 m fan blades are connected to a motor and accelerated uniformly from rest to 54 rpm in 7 minutes. Determine the angular acceleration of the blades.
A laser is mounted on a table 1.00m above the ground, pointed at a vertical mirror a horizontal distance 3.48maway. At what height does the reflected beam strike the wall
Object O1 is 14.7 cm to the left of a converging lens with a 12.0-cm focal length. What is the focal length of the second lens
4.3 moles of Hydrogen gas initially at Standard Temperature and Pressure. The gas is heated to a temperature of 49°C while being kept at constant pressure. What is the new volume of the gas after it is heated
A certain particle has the life time of 10^-7 s, while measured at rest. How far does it go before decaying if its speed is 0.99 c when it is created.
The left end of a long glass rod 6.00cm in diameter has a convex hemispherical surface 3.00cm in radius. obtain the refractive index of the liquid
The side mirrors on cars are convex mirrors. If the side mirror on the driver side of your car has a focal length with a magnitude of 5.30 m, determine the image distance of the truck
What is the magnitude of the electric field 19.7 cm directly above an isolated 3.25×10^?5 C charge? What is the direction of the electric field? Downward or upward?
A group of students are camping in the middle of the forest on a very dark night. Their torch batteries went flat hours ago. find the speed of the unidentified noisy object
An 9.00 point mass and a 14.0 point mass are held in place 50.0 apart. Find the magnitude of the acceleration of the particle and direction
Carbon disulfide (n=1.63) is poured into a container made of fused quartz (n=1.46). What is the critical angle for internal reflection of a ray in the liquid
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