Determine the speeds after the collision
Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If the speed of ball 1 was initially 3.00 m/s, and that of ball 2 was 4.00 m/s in the opposite direction, what will be their speeds after the collision?
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The value of the test statistic for testing if one population mean is larger than the other, based on samples of size 24 and 19, is 2.45. What is the p-value for the test? Give your answer to 4 decimal places.
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An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. If 7900 J were released in the explosion, how much kinetic energy did each piece acquire?
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