Impulse 3
Two blocks are pushed apart by a spring, how fast will they move?
Two isolated masses are connected by a spring which has been compressed and held in with two bits of string.
![](../../../physics/images/forcesp21.png)
The strings are cut and the force exerted on the purple block is measured. The graph of force vs time is shown below:
![](../../../physics/images/forcesp22.png)
Calculate the velocity of the green block after 1 s.