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Q1. A diving board oscillates with simple harmonic motion of frequency 3.36 cycles per second, What is the maximum amplitude with which the end of the board can vibrate in order that the pebble placed there not lose contact with the board during oscillation?

Q2. A baseball leaves a pitcher's hand horizontally at the speed of 152km/h. The distance to the batter is 18.3m. (Ignore the effect of air resistance.) (a) How long does the ball take to travel the first half of that distance? (b) The second half? (c) How far does the ball fall freely during the first half? (d) Throughout the second half?

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