Answer:
40/9 km/h² = 4.4
Step-by-step explanation:
a = v - u /t
a = 50 - 10/9 = 40/9 km/h² = 4.4 km/h²
The acceleration is 4.4 km/sec/sec
It depends how you were taught. You could say it's 11 (eleven) or 2.
x = 8
you have similar triangles here
so 2 is to 4 as 4 is to x
2/4 = 4/x