Question

2.    A horizontal, 50 N force acts on a 5 kg mass, which is initially at rest on a frictionless surface. After the mass has traveled 45 m, find the following: (25 points)

       Given: (1 point)

       a. the work done by the force. (4 points)

       b. the change in kinetic energy. (4 points)

       c. speed of the mass after 45 m. (4 points)

       d. the change in momentum of the mass. (4 points)

       e. the impulse supplied to the mass. (4 points)

       f. the time it takes for the mass to move the 45 m. (4 points)

Answer 1

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