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A woman starts from her home at 9.00 am, walks with a speed of 5 km h^–1 on a straight road up to her office 2.5 km away,

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asked Feb 22, 2018 in Physics by sforrest072 (157,439 points) ● 63 ● 448 ● 1259
edited Feb 24, 2018 by Vikash Kumar

A woman starts from her home at 9.00 am, walks with a speed of 5 km h–1 on a straight road up to her office 2.5 km away, stays at the office up to 5.00 pm, and returns home by an auto with a speed of 25 km h–1. Choose suitable scales and plot the x-t graph of her motion.

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answered Feb 22, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 21
selected Feb 24, 2018 by Vikash Kumar
 
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Speed of the woman = 5 km/h
Distance between her office and home = 2.5 km

It is given that she covers the same distance in the evening by an auto. Now, speed of the auto = 25 km/h

The suitable x-t graph of the motion of the woman is shown in the given figure.

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