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Questions and answers by
Komolafe Tofunmi
Answers (1)
(i) R=496N S=30km/h (ii) R=656N S=50km/h R=a+s²k 496=a+900k........(I) 656=a+2500k......(ii) Subtract equation (ii) from (I) K=0.1 Putting our k in equation (I) 496=a+900*(0.1) 496=a+90 a=496-90 a=406 When s=60km/h, find R. R=406+(60)²(0.1)
