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Rainbow [258]
3 years ago
15

Superman ferma in 5,0 ∙10^(-3) s un treno inizialmente in corsa alla velocitá di 216km/h. Qual é l’accelerazione media del treno

? Scrivere l’accelerazione in notazione scientifica.
Physics
1 answer:
kotykmax [81]3 years ago
6 0

Answer:

1.2*10^4 m/s^2

Explanation:

The formula to find average acceleration is a=Δv/Δt.

Convert 216 km/hr to m/s

216 km/hr * 1000 m/km * 1 hr/60 mins * 1 min/60 secs = 60 m/s

So a= (60 m/s)/(5.0*10^-3) = 12000 m/s^2

Put that into scientific notation to get 1.2*10^4 m/s^2

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