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If the velocity v of a particle moving a...

If the velocity v of a particle moving along a straight line and its distance s from a fixed point on the line are related by `v^(2)=a^(2)+s^(2)`, then its acceleration equals

A

as

B

s

C

`s^(2)`

D

2s

Text Solution

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-DERIVATIVE AS A RATE MEASURER -Exercise
  1. The edge of a cube is equal to the radius of a sphere. If the edge and...

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  2. If the velocity v of a particle moving along a straight line and its d...

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  3. If the rate of change of sine of an angle theta is k, then the rate of...

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  4. If a particle moves according to the law s=6t^(2)-(t^(3))/(2), then th...

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  5. A particle moves on a line according to the law s=at^(2)+bt+c. If the ...

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  6. If a particle moving along a line follows the law t=as^(2)+bs+c, then...

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  7. If the semivertical angle of a cone is 45^@. Then the rate of change o...

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  8. On the curve x^3=12 y , find the interval of values of x for which the...

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  9. If the rate of change of area of a square plate is equal to that of th...

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  10. A stone dropped into a quiet lake. If the waves moves in circles at th...

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  11. The side of a square is equal to the diameter of a circle. If the side...

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  12. A variable DeltaABC is inscribed in a circle of diameter x units. At a...

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  13. The radius and height of a cylinder are equal. If the radius of the sp...

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  14. The points on the curve 12y = x^(3) whose ordinate and abscissa change...

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  15. A particle moves along the parabola y^2=2ax in such a way that its pro...

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  16. The diameter of a circle is increasing at the rate of 1 cm/sec. When i...

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  17. A man 2 metres tall walks away from a lamp post 5 metres height at the...

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  18. At an instant the diagonal of a square is increasing at the rate of 0...

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  19. If s=ae^(l) + be^(-t) is the equation of motion of a particle, then it...

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  20. A circular metal plate is heated so that its radius increases at a rat...

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