# physics

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A loaded truck can accelerate at 4.1 m/s
2
. It
loses its load so that it is only 0.8 as massive.
By what factor must the acceleration
change for the same driving force?

• physics -

F = M1 A1 = M2 A2

M2 = .8 M1

M1 A1 = .8 M1 A2

A2 = (1/.8) A1

A2 = 1.25 A1

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