solve the following problems in accordance of law of acceleration

1.F=20N
M=35kg
A=?

2.F=?
M=13kg
A=21m/s2

3.F=12N
M=98kg
A=?

4.F=106N
M=12kg
A=?

5.F=9N
M=?
D=99m/s2​

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