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Straight Line Lab Report

256 Words2 Pages

Yes, the steel ball rolling on the counter top moves with a constant velocity.The steel ball took 0.4 sec to cover a distance of 20 cm. The formula to calculate average speed equals to total distance over total time. So, 20 cm divided by 0.4 sec equals to 50 cm/sec. So the speed of the ball is 50 cm/sec. Next, at the distance of of 60 cm the ball rolled across the counter top in 1.2 sec. So, the speed of the ball is 50 cm/sec. Furthermore, at the distance of 100 cm the ball rolled in a total time 2 sec. So, the average speed was 50 cm/sec. In addition to this when you graph all of these points it creates a straight line. The scientific principle states that velocity is speed and direction. It is clearly stated that the speed is constant at

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