train leaves the town of Grantville at 8:00 a.m., stops at Harrison (20 km from Grantville) at 10:00 a.m.,
rrives at Greentown (15 km from Harrison) at 12:00 p.m.
a. How long (time) was the trip? Is your answer a scalar or a vector?
b. Draw the vectors that represent each portion of the train's trip.
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c. Draw the vector from the train's initial position to its final position (the resultant).
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d. What is the total distance from Grantville to Greentown in kilometers? Is your answer a scalar or
a vector?