4. A kite is flying on 50ft of string (on a diagonal). Its...

Name: 4. A kite is flying on 50ft of string (on a diagonal). Its vertical distance from the ground is 10 ft more than its horizontal distance from the person flying it. Assuming that the string is being held at ground level, find its horizontal distance from the person and its vertical distance from the ground. Hint draw a diagram
Uploaded: 2021-05-30T12:31:17-08:00
Duration: 3 min 12 s
Channel: P Krishnamurthy
Description: 4. A kite is flying on 50ft of string (on a diagonal). Its vertical distance from the ground is 10 ft more than its horizontal distance from the person flying it. Assuming that the string is being held at ground level, find its horizontal distance from the person and its vertical distance from the ground. Hint draw a diagram

4. A kite is flying on 50ft of string (on a diagonal). Its vertical distance from the ground is 10 ft more than its horizontal distance from the person flying it. Assuming that the string is being held at ground level, find its horizontal distance from the person and its vertical distance from the ground. Hint draw a diagram

Transcript

00:01 In this problem we have been given that height of a kite is to be found grady is flying a kite on 50 feet of string.

00:06 Its vertical distance from his hand is 10 feet more than its horizontal distance from his hand.

00:10 Assuming that the string is being held 5 feet above ground level, we need to find its horizontal distance from grady and its vertical distance from the ground.

00:18 Now to solve this question, let, we need to make an assumption that let the horizontal distance, so i'm writing it in short, from gradee is equal to x feet all the units in length would be in feet by default in this question now also let i'm using the double quotations just to denote that what has been written above is being written again so therefore let the vertical distance from ground be equal to by the given condition x plus 10 plus pi which is equal to x plus 15 feet so therefore it would be equal to x plus 15 feet now proceeding further since it is a right angle triangle from the given figure it is quite evident we can use the pythogarian theorem and therefore we can write 50 square which is the hypotenuous square is the sum of the squares of other two sides which is x squared plus x plus 10 i bigger pardon x plus 15 whole square just a minute yeah uh since the right angle triangle it can be made out differently so just a minute uh yeah so it would be x plus 10 to the whole square now proceeding further once we solve the equation we would be getting x minus 30 so therefore x minus 30 into x plus 40 would be equal to 0 so therefore x is equal to 30 or minus 40 now minus 40 is not possible because x is a length and length cannot be negative so therefore we can clearly see that the horizontal distance from therefore the horizontal distance i'm writing it in short, the horizontal distance from grady is equal to 30 feet...

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