Auniform, thin rod of length h and mass m is held vertically with its lower end resting on a frictionless horizontal surface. the rod is then released to fall freely. (a) what is the speed of its center of mass just before it hits the horizontal surface? (use any variable or symbol stated above along with the following as necessary: g for the acceleration of gravity.) vcm =
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Physics, 22.06.2019 05:10
A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?
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On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.
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Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?
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Auniform, thin rod of length h and mass m is held vertically with its lower end resting on a frictio...
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