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A sound wave generated by a source of frequency 440 Hz is moving through 25 oC air. The sound wave strikes a solid block of steel and propagates into the steel. What is the wavelength of the sound wave inside the steel. The density of steel is 7.85 g/cm3 and the bulk modulus of steel is 1.6 x 1011 N/m2.
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
An object is located 21.4 cm to the left of a diverging lens having a focal length f = -34.2 cm. Determine the magnification of the image
A string attached to an oscillator at one end forms 5 nodes (counting the two ends) and produces a frequency of ? = 1.5 kHz. What is the linear density of the string
An aluminum block slides along a horizontal surface. The block has an initial speed of 9.4 m/s and an initial temperature of 9.1degrees C. what is the final temperature of the block
An object is placed 24.5 cm to the left of a thin converging lens that has focal length +12.1 cm. What is the distance between the object and the image
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration due to gravity on this planet
A parachutist descending at a speed of 10.0 m/s loses a shoe at an altitude of 30.0 m. (Assume the positive direction is upward.). Explain when does the shoe reach the ground? What is the velocity of the shoe just before it hits the ground?
A bar of length 2 cm slides along metal rails at a speed of 1 cm/s. The bar and rails are in a magnectic field of 2 T, pointing out of the page. what is the induced emf in the bar and rails
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, what is the surface temperature and relative humidity on the leeward side of the mountains
A 30 cm-diameter vertical cylinder is sealed at the top by a frictionless 15 kg piston. What will the height of the piston be
A proton and an electron are fixed in space with a separation of 957 nm. Calculate the electric potential at the midpoint between the two particles. Find the magnitude and direction of the electric field at the same point.
A 4x 11 swimming pool slopes linearly from a 1.20 depth at one end to a 3.80 depth at the other. What is the mass of water in the pool.
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