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A cyclist starts from the centre O of a circular park ofradius 1 km, reaches the edge P of the park, then cyclesalong the circumference and returns to the point O asshown in figure. If the round trip takes 10 min, the netdisplacement and average speed of the cyclist (in metreand kilometre per hour) are
  • a)
    0.1
  • b)
  • c)
  • d)
    21.4
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A cyclist starts from the centre O of a circular park ofradius 1 km, r...
Average speed of the cyclist is given by the relation:
Average speed = Total path length / Total time
Total path length = OP + PQ + QO
= 1 + (1 (2π x 1) / 4 )  + 1
= 2 + (π / 2)
= 3.570 km
Time taken = 10 min = 10 / 60 = 1 / 6 h
∴ Average speed = 3.570 / (1/6) = 21.42 km/h
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A cyclist starts from the centre O of a circular park ofradius 1 km, reaches the edge P of the park, then cyclesalong the circumference and returns to the point O asshown in figure. If the round trip takes 10 min, the netdisplacement and average speed of the cyclist (in metreand kilometre per hour) area)0.1b)c)d)21.4Correct answer is option 'D'. Can you explain this answer?
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A cyclist starts from the centre O of a circular park ofradius 1 km, reaches the edge P of the park, then cyclesalong the circumference and returns to the point O asshown in figure. If the round trip takes 10 min, the netdisplacement and average speed of the cyclist (in metreand kilometre per hour) area)0.1b)c)d)21.4Correct answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A cyclist starts from the centre O of a circular park ofradius 1 km, reaches the edge P of the park, then cyclesalong the circumference and returns to the point O asshown in figure. If the round trip takes 10 min, the netdisplacement and average speed of the cyclist (in metreand kilometre per hour) area)0.1b)c)d)21.4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cyclist starts from the centre O of a circular park ofradius 1 km, reaches the edge P of the park, then cyclesalong the circumference and returns to the point O asshown in figure. If the round trip takes 10 min, the netdisplacement and average speed of the cyclist (in metreand kilometre per hour) area)0.1b)c)d)21.4Correct answer is option 'D'. Can you explain this answer?.
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