How deep is the well
Carlie drops her ring down a well. The sound of the ring splashing at the bottom of the well is heard after 4.0seconds. Assume the speed of sound is 335m/s .How deep is the well?
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a tuning fork produces a sound with a frequency of 249 Hz and a wavelenght in air of 1.35 m. What value does this give for the speed of sound in air? Answer in units of m/s.
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A 85.1 kg base runner begins his slide into second base while moving at a speed of 5.9 m/s. The coefficient of kinetic friction between his clothes and the ground is 0.68. He slides so that he comes to rest just as he reaches the base.
Each cable has a length of = 3.70 . What is the tension in each of the cables? Use 9.80 for the magnitude of the acceleration due to gravity.
A baseball thrown at an angle of 65.0^circ above the horizontal strikes a building 18.0 {rm m} away at a point 7.00 {rm m} above the point from which it is thrown. Ignore air resistance. Find the magnitude of the velocity of the baseball just befo
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