Answer:
40kg
Explanation:
a=2m/s^
f=20N
M=?
we know
f=m*a
or, 20=m*2
or, 2m=20
or, m= 20/2
:. m=10 kg
x= -1
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.