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Shifting of Axes

The x and y c...

Question

The x and y coordinates of a body are
x(t)=3t+2
y(t) =4t
What is the acceleration of the body at t=1s?

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3i + 4j

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7i + 2j

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None of these

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Solution

The correct option is A 6i
.

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5 m/s

2 m

x -

x = 3 t - t^{3}

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^{'} t^{'}

x = t^{3}

y = 4 t^{2}

x

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t = 1 s

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