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Motion in A Straight Line question

2023 · 30 Jan · Shift 1 · Q64
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Motion in A Straight Line question

2023 · 30 Jan · Shift 1 · Q64

JEE MainPhysicsMotion in A Straight LineNumerical+4 / −1
A horse rider covers half the distance with 5 m/s5 \mathrm{~m} / \mathrm{s}5 m/s speed. The remaining part of the distance was travelled with speed 10 m/s10 \mathrm{~m} / \mathrm{s}10 m/s for half the time and with speed 15 m/s15 \mathrm{~m} / \mathrm{s}15 m/s for other half of the time. The mean speed of the rider averaged over the whole time of motion is x7 m/s\frac{x}{7} \mathrm{~m} / \mathrm{s}7x​ m/s. The value of xxx is ‾\underline{\hspace{2cm}}​.
Numerical answer
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