a. 12.5 kg
step-by-step explanation:
f = ma
so
m = f/a = (2500 n)/(200 m/s²) = 12.5 kg
1 n = 1 kg·m/s²
can i know which language is this?
the graph line crosses the x axis at both -6 and -2, so the answer would be the second one.