Question

particle of mass 2kg is moving in a circular path with constant speed 20 metre per second the magnitude of change in velocity and particle travels from A to p will be​

Answer 1

Answer:

my answer

Explanation:

R.E.F image 

△vˉ=vˉP−vˉA=vˉP+(−vˉA)

∣△vˉ∣= length of diagonal 

=v2+v2=v2

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