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The position of a particle moving along X-axis is $x = - 4 t + t^{3}$ . The displacement of a particle from $t = 1$ to $t = 3 s$ is

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Correct option is A

x=-4t+t3 At t=1 At t=1, substitute the value in above equation,x1=−4(1)+13⇒x=−3 At t=3, substitute the value in above equation,x3=−4(3)+33=−12+27x3=15 Displacement S=x3−x2=15−(−3)S=18m

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The position of a particle moving along X-axis is x=-4t+t3. The displacement of a particle from t=1 to t=3s is

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

The position of a particle moving along X-axis is $x = - 4 t + t^{3}$ . The displacement of a particle from $t = 1$ to $t = 3 s$ is