Question

A circle has a radius of 10 cm. A particle from A moves from A to B
along path ACB. What is its distance travelled? What is its
displacement?​

Answer 1

Answer:

distance travelled = 2πr/2

= 2×22/7×10×1/2

= 31.42 cm (approx)

displacement= diameter of circle

= 2r

= 2×10= 20m

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Answer 2

Answer:

Distance = 134m , Displacement = 20 m

Step-by-step explanation:

Distance from A to A = 2πr. ( perimeter of circle )

• = 2 × 3.14 × 10
• = 2.68 × 10
• = 268

Distance from A to B = 268 ÷ 2

= 134

Displacement = 2r = Diameter

2× 10 = 20

Hope it helps