marianitaarreaza2120 marianitaarreaza2120

24-10-2021
Physics

contestada

5
2. A truck took 4 hours to complete a journey. At the first 2h,
it travelled at an average speed of 70 km/h. For the rest of
the journey, it travelled at an average speed of 80 km/h.
What was the total distance of the journey?

Respuesta :

Vitor23 Vitor23

24-10-2021

Answer:

300km

Explanation:

we use the formula s=d/t and solve for d.

d=st

s1=70km/h

s2=80km/h

t=2h

total d= (ts1)+(ts2)

=2(70)+2(80)

=300km

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