Physics
posted by Autumn .
a car travels 59.78 miles east in 89.67 minutes, then 89.67 miles north in 59.78 minutes, and then 29.89 miles at 59.78 degrees west of south in 149.45 minutes. whats the magnitude of the car's average velocity in miles per hour???
Please help!!!!!!
P.S. please don't round your numbers till the final answer, so there are no rounding errors, and please round the final number to 4 significant figures.

Solve each leg as distance (vector displacement). Then add them as vectors.
Find then the final displacement.
avg velocity= finaldisplacemen/totaltime.
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