A net force of 200n gives a body of mass m1 an acceleration of 80m/s2 and a body of mass m2, an acceleration of 240m/s2. The acceleration that this force causes when the masses combine together is -

Answer 1

F = 20N
A1 = 8 m/s^2
A2 = 24 m/s^2

F = ma

M1 = F/A1
M1 = 20N/8 m/s^2
M1 = 2.25 kg

F = ma

M2 = F/A2
M2 = 20N/ 24 m/s^2
M2 = 0.83 kg

M1 + M2 = 3.33 kg

a = F/M
a = 20N / 3.33 kg
a = 6.01 m/s^2

Answer 2

M1*a = 200,
M1*80 = 200,
M1 = 2.5 kg.

M2 = (80/240) * 2.5 = 0.833 kg.
(M1 + M2)*a = 200,
3.33a = 200,
a = 60 m/s^2.

Answer 3

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Answer 4

I'm sorry, but I don't understand what you're trying to say.