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Question: A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at a speed of 40.0 m/s , and it leaves the bat traveling to the left at an angle of 40 above horizontal with a speed of 65.0 m/s . The ball and bat are in contact for 1.85 ms
A- Find the horizontal component of the average force on the ball. Take the x-direction to be positive to the right. Express your answer using two significant figures.
B- Find the vertical component of the average force on the ball. The positive y-axis points upwards. Express your answer using two significant figures.
A microphone in the ocean is sensitive to sounds emitted by porpoises. To produce a usable signal, sound waves striking the microphone must have an intensity of 10.7 dB. If porpoises emit sound waves with a power of 0.0491 W, how far can a porpois..
Introduction of Nanotechnology, Description of Nanotechnology, Fundamentals of an atom.
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