SOLUTION: a student goes 3 k m from his home to market in 15 minutes and comes back in 30 minutes calculate his average speed and average velocity

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Question 660365: a student goes 3 k m from his home to market in 15 minutes and comes back in 30 minutes calculate his average speed and average velocity








Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Ave speed is always ( total distance ) / ( total time )
Distance = 3 km
+15+%2B+30+=+45+ min total time
45 min = 3/4 hr
Ave speed = +3000+%2F+%283%2F4%29+=+4000+ km/hr
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Since velocity = displacement / time,
ave velocity = 0