Answer:
The rate of acceleration is 5.
Explanation:
In order to calculate acceleration we need to divide the force by the mass.
Acceleration = net force/mass
In this case, it would be 20/4. Simplify that and we get 5.
a martin year is as twice as long
i think
D
2020
x=1.4*10^9
or choice a
Hope this helps and please mark me brainliest! <3 >//<
