CBSE Class 11-science Answered
sir/ mam I need ur help in kinematics again.
Asked by | 24 Jun, 2008, 03:08: PM
Expert Answer
Ans is b.
Look at the triangle like the one shown in your NCERT class 11 part I textbook page 80 fig.4.19b.
The displacement is Δr.
Using trigonometry , for triangle PP'C
sin Δθ/2 = (PP')/2r
PP' = 2r sin (delta theta)/2
Answered by | 26 Jun, 2008, 03:53: PM
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