a body goes round a circular track of radius 42 cm calculate the distance and displacement travelled when it covers half a circle PL explain it in easy way how to do it will be very thankful just explain the calculations step
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Answer:
If the body goes around the circle then we will calculate it's cicumference with the help of it's radius.
Circumference of a circle = 2 Pi R
2 × 22/7 × 42
= 2 × 22 × 6
= 264 cm
Total circumference = 264cm
But the distance travelled by the body is only half of the circle
So,
Total circumference÷2
= 264 ÷2
= 132 cm
Distance = Displacement = 132cm
Explanation:
I hope it's an easy explanation.
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