A balloon leaves from a point P rises at a uniform...

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A balloon leaves from a point P rises at a uniform speed. After 6 minutes, an observer situated at a distance of 450√3 meter from point P observes that angle of elevation of the balloon is 60°. Assume that point of observation and point P are on the same level. What is the speed (in m/s) of the balloon?

A. 4.25

B. 3.75

C. 4.5

D. 3.45

Answer: Option B

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