Concept explainers
Correct your friend who says, 'The dragster rounded the curve at a constant velocity of 100 km/h.'
To Correct: The given statement.
Answer to Problem 45A
The correct statement is “The dragster rounded the curve at a constant speed of
Explanation of Solution
Introduction:
Speed combined with the direction of motion is termed as velocity.
When a dragster moves in a circle, then its speed will remain the same. However, its direction is continuously changing. Thus, its speed remains constant when moving in a circle but its velocity changes continuously.
Conclusion:
Hence, the correct statement would be that the dragster rounded the curve at a constant speed of
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