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December 21, 2014

Homework Help: Physics check

Posted by Jon on Monday, April 14, 2008 at 7:43pm.

1)How is displacement different from distance? Under what conditions can an object travel a certain distance and yet its resultant displacement be zero?

Displacement is a vector quantity while distance is a scalar quantity. If an object goes round-trip its displacement will be zero.

2)What is the distance traveled by a vehicle in 12 minutes, if its speed is 35 km/h?

(35km/1h)(1000m/1km)(1h/60min)(1min/60sec)=9.72 m/s

720 sec/9.72
= 74 km

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