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gislaine141
@gislaine141
April 2022
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Um automóvel de massa 1800kg, partindo de um repouso em um velocidade de 90km/h em 10s. Calcule a força desenvolvida pelo motor.
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GFerraz
90 km/h = 25 m/s
a = Δv/Δt
a = 25/10
a = 2,5 m/s²
----------------
Fr = m . a
Fr = 1800 . 2,5
Fr = 4500 N
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a = Δv/Δt
a = 25/10
a = 2,5 m/s²
----------------
Fr = m . a
Fr = 1800 . 2,5
Fr = 4500 N