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Question 1123400: For homecoming, the student government bought balloons. Felix accidentally left one of the balloons go that is attached to a 400 foot string. The balloon rises at a rate of 7 feet pet second. Felix doesn’t notice that he’s let go of the balloon until 35 seconds have passed since it started to flow upwards. Can he still catch the balloon? Explain. (Part 1) Determine the time, to the nearest tenth of a second, when the string will run out. (Part 2)
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! At 7 feet per second, the balloon will rise 245 feet in 35 seconds. Assuming he was holding the balloon when he let it go, there is still another 155 feet of string, and that will be used up in 22 1/7 or 22.1 seconds
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