Problem on ball which is tied to a string
A 295 ball is tied to a string. It is pulled to an angle of 5.40 and released to swing as a pendulum. A student with a stopwatch finds that 16 oscillations take 11.5 .
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A rope of negligible mass is wrapped around a 225-kg solid cylinder of radius 0.400 m. The cylinder is suspended several meters off the ground with its axis oriented horizontally, and turns on that axis without friction.
Speed of sound is 340m/sec. The observer is 10 meters from the road and the vehicle is 50 meters up the road. Calculate the observed frequency.
A brass ring of diameter 10.00 cm at 19.7°C is heated and slipped over an aluminum rod of diameter 10.01 cm at 19.7°C. Assume the average coefficients of linear expansion are constant.
Which of the following was NOT essential to the medieval synthesis?
Angle of 38.1^circ with the normal in the glass, while violet light makes a 36.7^circ angle. What are the indexes of refraction of this glass for these colors of light?
When the correlation between two variables is high, we know that?
Question: Determine the object position for which the resulting image is upright and seven times the size of the object.
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