Question

24 alguém Sabe dizer

Por favorrrrrrr

Answer 1

72/3,6=20m/s
A)Vm=ΔS/ΔT
20=200/ΔT
20ΔT=200
ΔT=200/20
ΔT=10s
B)Vm=Δs/Δt
20=200+100/ΔT
20=300/ΔT
20ΔT=300
ΔT=300/20
ΔT=15s