Step-by-step explanation:
b) average velocity : ∆x/∆t = 100/9.8 ≈ 10.204 m/s
c) ∆x = v.∆t = 10.204 × 3 = 30.612 m
d) ∆t = ∆x/v = 80/10.204 = 7.84 s
Answer:
this question doesn5t make sence
Step-by-step explanation:
Answer:
2/35 or 0.05714285714
Step-by-step explanation:
3/28×8/15 Cross simplify
1/28×8/5
1/7×2/5
1×2/7×5
2/35