How long boat take the boat to make a round trip consisting

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Q. A boat moves through the water of a river at 11 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.5 m/s how long does it take the boat to make a round trip consisting of a 300-m displacement downstream followed by a 300-m displacement upstream?

Q. A 211- projectile, fired with a speed of 144 at a 62 angle, breaks into three pieces of equal mass at the highest point of its arc (where its velocity is horizontal). Two of the fragments move with the same speed right after the explosion as the entire projectile had just before the explosion; one of these moves vertically downward and the other horizontally.

Reference no: EM1364041

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