# physics

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Two masses are hanging over a frictionless, massless pulley as shown blocks_pulley_aMass m1 is 5.0 kg and mass m2 is 7.0 kg

• can not see diagram -

copy and paste does not work here.

• physics -

f = m g
m = 5+7 = 12
f = 9.8(7-5) or almost 20
so
a = f/m = about 20/12

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