Question

Aniti's father advised her to exercise everyday to stay healthy. So she decided to ride her cycle for half an hour everyday, through the circular park of radius 'r' next to her house. Assume that she starts cycling from point "A".

Q(i). The displacement of Aniti after hal a circle would be:
(a) Zero
(b) r²
(c) 2r
(d) 2πr
Q(ii). If she is cycling at a speed of 10 m/s and applies brakes to come to rest in 10 s, then the retardation will be: *
1 point
(a) + 2 m/s²
(b) − 1 m/s²
(c) − 0.5 m/s²
(d) + 0.5 m/s²​

Answer 1

Explanation:

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