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girdhari

· started a discussion

· 1 Months ago

right approch (Question: 356047.0 )

200 root 3 /1.5*60

Question:

A balloon leaves the earth at point A and rises at a uniform velocity. At the end of  112    minutes an observer situated at a distance of 200 m from A, finds the angular elevation of the balloon to be 60ยบ. Find the speed of the balloon?

Options:
A)

3.87 m/sec

B)

7.74 m/sec

C)

3.78 m/sec

D)

7.56 m/sec

Solution:

Ans: (a)

  

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