NCERT Exercise 2.3 - Motion in a Straight Line
Question: A woman walks from her home to her office 2.5 km away at 5 km h⁻¹ on a straight road, stays at the office up to 5:00 pm, and returns home by an auto at 25 km h⁻¹. Choose suitable scales and plot the x-t graph of her motion.
Answer: x-t graph: rising line (9:00-9:30, slope 5), flat (9:30-17:00), steep descent (17:00-17:06, slope -25).
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