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In an experiment, measurement of a ball moving at constant velocity finds that it traveled (3.2 ± 0.2) m during a time interval of (7.4 ± 0.8) s. What is the speed of the ball (best estimate and uncertainty) in proper form? Give vbest in the first blank and δv in the second. Avoid the use of scientific notation; it will not be necessary in this case as there will be one non-zero digit directly before or after the decimal.

Sagot :

(0.43 ± 0.08)m/s is the speed of the ball.

Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is traveling along a path. Speed can be thought of as the rate at which an object travels a distance, and it is a scalar quantity that denotes "how rapidly an object is traveling."

A fast-moving object travels at a high speed and completes a significant distance in a brief period of time. This is in contrast to an object traveling slowly, which travels a relatively short distance in the same length of time. Zero speed refers to an object that is not moving at all.

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