KVPY SA Exam 2016 Question Paper

Question : 16 of 80

Marks: +1, -0

Part-1 Physics

A person walks 25.0° north of east for 3.18 km. How far would she have to walk due north and then due east to arrive at the same location?

Solution:

∴P/3.18=\sin25°

P = 3.18 sin 25º = 1.34 KM along north
B = 3.18 cos 25º = 2.88 KM along east

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