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Rita jogs on a circular track …

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Rita jogs on a circular track of radius 50m and takes 6min to complete one round. She jogs for 33min. Find her distance and displacement.

Posted by Tejaswini K 4 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Vaibhav Kumar 4 years, 5 months ago

Given, Radius of the circular track = 50m The time taken by her to complete 1 round =6min We have to find, Distance = ? Displacement = ? We have to find the total path length Thus, we have to found the circumference of the circular path By using formula = 2 pie r C = 2 pie r = 2 × 3.14 × 50m ( pie = 22/7 or 3.14 ) = 314m The total circumference of the circular path = 314m According to the Question, By using the unitary method, If the distance travelled by her in 6min = 314m Then, " " " " " " 1min = 314m/6min Therefore, the total distance travelled by her in 33min. = 314m/6min × 33min = 1727m or 1,727m Distance = 1,727m or 1.727km Displacement = 0m. ( in circular path the displacement is always Zero, because the Initial point and final Point concluded. )

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