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A tunnel leading straight through a hill makes tones at 135 Hz and 165 Hz especially loud due to standing waves. Knowing that these two tones are two harmonics apart, find the smallest length the tunnel could have. Also determine the harmonic number for these two tones
Your team of test engineers is to release the parking brake so an 848.0-kg car will roll down a very long 6.1 percent grade in preparation for a crash test at the bottom of the incline. What is the terminal speed for the car rolling down this grade
A screen is placed 42.7 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 3.45 mm, what is the width of the slit.
Archimedes purportedly used his principle to verify that the king's crown was pure gold by weighing the crown while it was submerged in water.
Mass m1 moving at constant velocity v1 along the x axis collides with mass m2 initially at rest. Determine the final velocities of the two masses if their collision is perfectly inelastic. Derive using any applicable conservation laws
A Nextrad wave of 2.70 GHz was sent out. If it took 3.75 ms to get the returning signal from a storm weather system, how far away is the storm
A 87.0-kg man is riding an escalator in a shopping mall. What is the work done on the man by the gravitational force
A canal boat (mass=25,000 kilograms) is being towed at a uniform velocity v=3.10 m/s, Determine the magnitude and direction of the towing force
A penny of mass 3.10 g rests on a small 22.40 g block supported by a spinning disk of radius 11 cm. The coefficients of friction between block and disk are 0.715 (static) and 0.64 (kinetic) while those for the penny and block are 0.564 (static) an..
A beam of light is emitted in a pool of water from a depth of 62.0cm. Where must it strike the air-water interface, relative to the spot directly above it
R = 660.0 ohm C = 1.00 uF inductance = 250 mH generator frequency = 256 Hz rms voltage = 24.0 V , What is the phase angle
A 1.12-kg aluminum pot contains 2.25 L of water. Both pot and water are initially at 19.1 °C. How much heat must flow into the pot and the water to bring their temperature up to 95.0 °C
A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in publishing business is a point, defined as 1/72 inch. What is an area..
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