Physics, 23.09.2019 04:50 huangjianhe135
Determine the frequency of a sound wave if it has a speed of 350 m/s and a wavelength of 3.80 m.
Answers: 1
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Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
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Physics, 22.06.2019 10:00
Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?
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Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?
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Physics, 22.06.2019 20:00
Awave that is traveling fast can be said to have a high a. frequency b. speed c. wavelength d. amplitude e. period f. none of these
Answers: 1
Determine the frequency of a sound wave if it has a speed of 350 m/s and a wavelength of 3.80 m....
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