Question

If a cyclist takes one minute to complete half revolution

Answer 1

Explanation:

Given : Radius =R=120m. Time=T =60 sec. As the object covers half revolution of circle, so the displacement till be the diameter of the ...

Answer 2

Answer:

speed = total distance / total time taken

8 km/hr = 21000/t (as distance is given in meter we have to change in kilometer so, 21m = 0.021km

t = 0.021/8

t = 0.02625 hrxplanation: