A horizontal spring with spring constant 210 Nm is compressed by 20 cm and then used to launch a 250 g box across the floor. The
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Answer:
We know that the acceleration of the particle is defined as
Since it is given that
Now by definition of velocity we have
Integrating on both sides we get
Applying values we get
To find the constant we note that at t=1 the particle is at x=12 Thus applying values in the above equation we get