Use the MOMENTUM vs. TIME graph below to answer the following questions. Let wes

Question

Use the MOMENTUM vs. TIME graph below to answer the following questions. Let west be the positive direction & east be the negative direction. A.) Identify when the object was not moving. B.) Over what period of time was the object speeding up? to C.) Over what period of time was the object slowing down? to D.) Over what period of time was the object's speed constant? to E.) State the magnitude & direction of the object's impulse during the following 3 time frames: F.) Determine the magnitude & direction of the object's total impulse. G.) State the magnitude & direction of the net force on the object during the following 3 time frames:

Explanation / Answer

A) object was not moving -    80 to   100 sec

E)    0 to 40 sec   =    1 N.sec              (direction = east)

        40 to 80 sec   =    -2 N.sec              (direction = west)

      80 to 100 sec   =    0 N.sec              (direction = no impulse)

F)    object total impulse =   -1 N.sec         ( direction = west)

G)   0 to 40 sec   =    0.025 N              (direction = east)

        40 to 80 sec   =    - 0.05 N             (direction = west)

      80 to 100 sec   =    0 N              (direction = no force)

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