Question

pls ans for the (ii) (iii) (iv)​

Answer 1

(I) V max = a × t = 4×30 = 120m/s

(ii) using formula V=U + at

=> O = 120 + at

=> a = -120 /60 = -2 m/s²

so retardation is 2 m/s².

(III)total distance=1/2×120×120=7200m

Answer 2

Answer:

☝️☝️☝️☝️☝️☝️☝️☝️☝️☝️☝️Is correct very very good