Question

An insect moves along a circular path of radius 10cm with constant speed. If it takes 1min to move from a point on the path to the diametrically opposite point, find a) the distance covered (b) the speed (c) the displacement (d)average velocity

Answer 1

distance covered= $\pi r$
                           =220/7 cm
speed = (220/7)/60 
           = 0.523 cm⁻¹
displacement=2r
                     =20 cm
averge velocity = displacement/time
                         = 20/60
                           =1/3 cm⁻¹
                        

Answer 2

Explanation:

a) 31.4 cm

b. 20 cm

c. 0.523cm/sec

d. 0.33cm/sec

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