Ile czasu zajmie hamowanie samochodu jadącego z prędkością 72km/h, jeśli a= -4 m/s2
Δv = 72km/h = 20m/s
a = 4m/s²
a = Δv/t => t = Δv/a
t = 20m/s / 4m/s² = 5s
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Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
dane:
vo = 72 km/h = 72*1000m/3600s = 20 m/s
v = 0
a = 4 m/s² - opóźnienie
szukane:
t = ?
a = Δv/t
a = v/t I*t
a*t = v /:a
t = v/a
t = 20m/s/4m/s²
t = 5 s
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Δv = 72km/h = 20m/s
a = 4m/s²
a = Δv/t => t = Δv/a
t = 20m/s / 4m/s² = 5s
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
dane:
vo = 72 km/h = 72*1000m/3600s = 20 m/s
v = 0
a = 4 m/s² - opóźnienie
szukane:
t = ?
a = Δv/t
a = v/t I*t
a*t = v /:a
t = v/a
t = 20m/s/4m/s²
t = 5 s
---------