ivansouza63 09/03/2022 18km/h = 5m/s Vm = ΔS/Δt5 = 100/t5t = 100t = 20sVm = ΔS/Δt5 = 400/t 5t = 400t = 80s 80 + 20 = 100s = 1 min 40sO competidor alcançaria 500m em 1 min e 40 s.
ivansouza63
18km/h = 5m/s
Vm = ΔS/Δt
5 = 100/t
5t = 100
t = 20s
Vm = ΔS/Δt
5 = 400/t
5t = 400
t = 80s
80 + 20 = 100s = 1 min 40s
O competidor alcançaria 500m em 1 min e 40 s.