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A person is moving in a circle Of radius r with constant speed v. The change in velocity in moving from A to B is.......

A person is moving in a circle Of radius r with constant speed v. The change in velocity in moving from A to B is.......

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Hi,
The change in velocity from point A to B would be:
 
At B after doing components of velocity in horizontal and vertical direction we get,
vx = vcos50 and vy =  vsin50 respectively.
Hence change in velocity in x and y direction respectively are =>
Vx = vcos50 – 0
and
Vy = vsin50 – v => v(sin50 – 1)
Net Velcity from vector addition,
Vnet = Vx + Vy
Hence,
Vnet = v(sin50 – 1 +  cos50)

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