A block of mass m = 6.62 kg, moving on a horizontal frictionless surface with a speed 5.85 m/s, makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 6.62 kg block recoils with a speed of 0.524 m/s. In the figure, the blocks are in contact for 0.242 s. What Is the average magnitude of the force on the 6.62-kg block, while the two blocks are in contact?

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