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A force of 9.4N pulls horizontally on a 1.2-kg block that slides on a rough, horizontal surface. This block is connected by a horizontal string to a second block of mass m2 = 2.00kg on the same surface. The coefficient of kinetic friction is μk = 0.25 for both blocks.

Part A
What is the acceleration of the blocks?
What is the tension in the string?

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  1. net force=total mass*a

    net force=9.4-.25(total mass)g

    then the first equation, solve for acceleartion a.

    tension on the second=masssecond*a+ .25*masssecond*g

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