A plane flies 455 km east from city A to city B in 42.0 min and then 942 km sout

Question

A plane flies 455 km east from city A to city B in 42.0 min and then 942 km south from city B to city C in 1.90 h. For the total trip, what are the (a) magnitude (in km) and (b) direction of the plane's displacement, the (c) magnitude (in km/h) and (d) direction of its average velocity, and (e) its average speed (in km/h)? Give your angles as positive or negative values of magnitude less than 180 deg measured from the + x direction (east). Number Units Number Units Number Units Number Units Number Units

Explanation / Answer

a)magnitude of displacement = 1046 km b)direction = making64.22degrees south of east c)magnitude of average velocity = 1046 / 2.6 = 402.30 km/h d)direction = making64.22degrees south of east e)average speed = 942+455 / 2.6 = 537.31 km/h and it has no direction

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