A bird moves with velocity 20m/s in a direction making an angle of 60 degree with the eastern line and 60 degree with vertical upwards. The velocity vector in rectangular form :
 
a) 10 i + 10 j + 10 k
 
b) 10 i +10(2)^1/2  j + 10 k
 
c) -20 i +10(2)^1/2  j + 20 k
 
d) 10(2)^1/2 i + 10 j + k
 

Asked by Balbir | 29th Aug, 2016, 08:35: PM

Expert Answer:

Dear balbir.kumar200@gmail.com

Thanks for asking us a question in Ask the Expert section of TopperLearning.com.

A vector cannot make an angle of 60 degree with the eastern line and 60 degree with vertical upwards simultaneously. We would request you to clarify/check the details provided so that we may answer this to the best of the ability.

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Topperlearning Team.

Answered by Yashvanti Jain | 1st Sep, 2016, 06:03: PM