A car has a linear velocity v on a circular track of radius r. IF its speed is increasing at a rate of `a m//s^(2)`, , then its resultant acceleration will be
A
`sqrt(((v^(2))/(r ))^(2)+a^(2))`
B
`sqrt(((v^(2))/(r ))^(2)-a^(2))`
C
`((v^(2))/(r ))^(2)+a`
D
`((v^(2))/(r ))^(2).-a`
Text Solution
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The correct Answer is:
A
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