Ann runs 800 meters without sandbags in 3 minutes. if she completes 800 meters with them in 2 more minutes. Ann's speed when jogging with sandbags is 160 m/min
Speed is measured as the rate of change of motion of an object with respect to its distance. Speed is a scalar quantity, which that means, in the speed, the direction of the motion is not of importance.
This is what makes it different from velocity. In velocity, the rate of change of motion is measured in a particular direction. Thus velocity is a vector question. This direction of motion is of importance.
Speed is calculated as a ratio of distance to time.
So in this case,
Speed while travelling without the sandbag,
800/3 = 266.66 m/min
Speed while travelling without the sandbag,
800/5 = 160 m/min.
Therefore, the speed while travelling with the sandbag is 160 m/min.
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