A worker pulls a 15-kg crate in a straight line on a level surface by imparting a horizontal tension of 80 N to the free end of a cable whose other end is attached to the crate. If the coefficient of static friction is 0.40, what is the acceleration of the crate? a. 0.80 m/s2 b. 1.1 m/s2 C. 1.4 m/s2 d. 1.7 m/s? e. 2.0 m/s2

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