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## Homework Statement

The velocity of a particle moving in positive x axis is according to the relation v= x^2 , then it's acceleration is

A) 8x^2

B) 8x^3

C) 4x^2

D) 4x^3

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- Thread starter Vishesh1999
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- #1

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The velocity of a particle moving in positive x axis is according to the relation v= x^2 , then it's acceleration is

A) 8x^2

B) 8x^3

C) 4x^2

D) 4x^3

- #2

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What is the relation between velocity and acceleration ?

- #3

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That's it of the question.

I'm pretty confused... I tried differentiation as well

I'm pretty confused... I tried differentiation as well

- #4

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Hint : a = dv/dt and v = dx/dt .

dv/dx = ?

a in terms of v and x ?

dv/dx = ?

a in terms of v and x ?

- #5

TSny

Homework Helper

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Show us your attempt at differentiation.

- #6

HallsofIvy

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That is the physics of the situation. You will also need to know some mathematics: the chain rule- If y is a function of x, y(x), and x is a function of t, x(t), then y is also a function of t and dy/dt= (dy/dx)(dx/dt).

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