contestada

A motorcycle is travelling at a constant velocity of 90 km/h (no acceleration). How many
seconds will it take the motorcycle to cover 2 km?

Respuesta :

2km*1000=2000m
S=ut+1/2at^2
a=0,thus s=ut
2000=90t
t=2000/90
=22.22s(to 4 s.f)
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