physics
posted by Victoria .
How many seconds is required to stop a vehicle travelling 55.9 km/h if it decelerates at 8.2 m/s/s?

v₀=55.9 km/h=15.53 m/s
v= v₀  at
v=0
t= v₀/ a= 15.53/8.2=1.94 s
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