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CBSE Class 11-science Answered

On the airport, the sun shines just over the head. When the aeroplane takes off at an angle 23o to horizontal, the shadow moves along the track with velocity 240 km/hr. Find the velocity with which the aeroplane moves away from the earth. (Take tan 23o  = 5/12)
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

The velocity with which the aeroplane moves away from the earth is the vertical component of velocity of aeroplane. As the aeroplane takes off at an angle   23o  with the horizontal, therefore,

Answered by | 04 Jun, 2014, 03:23: PM

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