Question

A vehical is moving on a circular track of radius 56m. It completed 3.5 rounds and then stopped. Find the distance and displacement.

Answer 1

solution.

Circumference of circle = 2pi r

= 2*22/7*56

= 44*8

= 352 m.

Now, distance covered in 3.5 round= 352* 3.5
= 1232 m

Now, displacement in 3.5 roumd= 56+ 56

= 112 m

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Answer 2

radius =56m
no.of rounds3.5
circumference =2πr
=2.22/7.56 =2×22×8=352
distance =3.5×352=1232.
displacement=daimeter of the circle=56+56=112m.