SOLUTION: a pyrotechniccian plans two fireworks to explode explode together at the same height in the air. they travel at 220 f/s and 200 f/s. the second firework is luanched 0.s5 seconds be

Question 663295: a pyrotechniccian plans two fireworks to explode explode together at the same height in the air. they travel at 220 f/s and 200 f/s. the second firework is luanched 0.s5 seconds before the other one. how many seconds after will both fire works explode?
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Let the time required for the faster firework to reach the correct height be t.
Then the time for the slower firework is
You know that the height for both is the same. You also know that the distance to that distance is given by
You are told the speed for both fireworks.
So

So 5 seconds after the faster one gets fired, they will both explode at a height of 1100 feet.

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