A.runner.travels.around.rectangle.track.with.length=50metersandwidth=20meters.After.travelling.around.rectangle.track.two.times,ru

Question

A.runner.travels.around.rectangle.track.with.length=50metersandwidth=20meters.After.travelling.around.rectangle.track.two.times,runner.is.back.to.startingpoint.If. time.elapsed=100seconds,determine.average.speed.and.average.velocity.

Madelyn · Answer

Answer:   Circumference of rectangle = 2*50+ 2*20 = 140 meters.  Travels around rectangle 2 times = 2*140 = 280 meters  Distance=280 meter  Displacement = 0 meter  Average speed = distance / time elapsed = 280  280/100=2.8  verage velocity = displacement / time elapsed = 0 / 100  = 0

Iris

state whether the rational number 64/655
has a terminating decimal expansion or non terminating and repeating
decimal

Round off the following numbers to nearest ten thousand:

(e) 28935

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