Question

A table clock has its minute hand 4cm long. The displacement of the tip of mi
hand between 6.00am to 6.30am is......


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Answer 1

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Answer 2

Answer:

Between 6 am to 6:30 am

Average speed = Total distance/ Time

= πr / (30 × 60 seconds)

= 4π/1800

= 0.00698 cm/s

Average velocity = Total displacement/ Time

= 2r / (30 × 60 seconds)

= 9 / 1800

= 0.005 cm/s

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Average velocity and average speed between 6 am to 6:30 pm is same as that of 6 am to 6:30 am

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