1. Woman starts from her home at 10:00 am for a walk with a speed of 10km/h
on a straight road up to parlour that is 5km away. She stays there till 2:00 pm
and returns home by an auto with speed of 15km/h. Choose suitable scales
and plot the x-t graph of her motion.
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Speed of the woman = 5 km/h
Distance between her office and home = 2.5 km
Time taken = Distance / Speed
= 2.5/5=0.5 h=30 min
It is given that she covers the same distance in the evening by an auto.
Now, speed of the auto =25 km/h
Time taken = Distance / Speed
= 2.5/25=1/10=0.1 h=6 min
The suitable x-t graph of the motion of the woman is shown in the given figure.
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