Questions
A cyclist is moving on a circular path with constant speed v. What is the change in its velocity after it has described an angle of ?
a
v2
b
v2
c
v3
d
None of these
detailed solution
Correct option is D
|Δv|=vf-vi=v2+v2-2(v)(v)cos30°=(2-3)vTalk to our academic expert!
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Unit vector parallel to the resultant of vectors and will be
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