CBSE Class 11-science Answered
A cyclist starts from the center O of circle of park of radius 1 km, reaches the edge P of the park, then cycles along the circumference to point Q and returns to the centre along QO as shown. If the round trip takes 10 minutes, then what is
(a) net displacement
(b) average velocity
(c) average speed of the cyclist?
(a) Since the syclist starts from O and again returns to point O, therefore, displacement of cyclist is zero.
(b) Average velocity of the cyclist is zero because total displacement of the cyclist is zero.
(c) Total distance travelled by cyclist is
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