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chandranshu

· started a discussion

· 1 Months ago

details (Question: 336951.0 )

can you explain

Question:

A ballon ascending at the rate of 18 kmph was drifted by wind. Its angle of elevation at 10th and 15th minutes were found to be 60º and 45º respectively. The wind speed (in whole numbers) during the last five minutes is equal to –

Options:
A)

31 km per hr

B)

33 km per hr

C)

35 km per hr

D)

30 km per hr

Solution:

Ans: (b)


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