Question

An object moves along a circular path of diameter 14cm with constant speed. If it takes 2 min. to move from a point on the path to the diametrically opposite point. Find a) the distance covered by the object b) the speed c) the displacement d) average velocity
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Answer 1

Answer:

a) 22cm , b) 0.183cm/sec , ç) 14cm and d) 0.116cm/sec

Explanation:

Distance= πr =227 × 7 = 22cm

Speed= distance/time = 22/120 = 0.186 cm /sec

Displacement= diameter= 14çm

Average velocity= displacement/ time= 14/120 = 0.116cm/sec