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An organ pipe open at one end has a length of 60 cm. If the speed of sound in air is 340 m/s, what is the lowest frequency produced by the organ pipe?
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.
a 2.1-m-long vertical pole extends from the bottom of a swimming pool to a point 50.0 cm above the water. What is the length in meters of the shadow of the pole on the level bottom of the pool
A 13.0-kg object undergoes an acceleration of 1.5 m/s^2. What is the magnitude of the resultant force acting on it
A 41.4-cm diameter disk rotates with a constant angular acceleration of 2.30 rad/s2. Find the angular speed of the wheel
What is the maximum velocity.
A 190 kg block is pulled at a constant speed of 4.4 m/s across a horizontal floor by an applied force of 138 N directed 37° above the horizontal. Illustrate what is the rate at which the force does work on the block?
A layer of transparent plastic (n = 1.63) on glass (n = 1.52) looks dark when viewed in reflected light whose wavelength is 576 nm in vacuum. Find out the two smallest possible nonzero values for the thickness of the layer.
Two converging lenses having focal lengths of 12.0 cm and 22.0 cm are placed 50 cm apart, as shown in the figure below. The final image is to be located between the lenses, at the position indicated.
A 20 Kg loudspeaker is suspended 2.0 m below the ceilling by two cables that are each 30' from vertical . What is the tension in the cables
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.55 10^4 m/s, and the radius of the orbit is 5.50 10^6 m. What is the orbital speed of the second satellite
the first-order line of 571 nm light falling on a diffraction grating is observed at a 17.9 deg angle, at what angle will the third order be observed
A creamy salad dressing is made up of heavy cream, corn oil, and vinegar (as well as a pinch of dry mustard, salt and pepper). You put the cream, oil, and vinegar in a glass jar.
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