A force of 75[E] acting on a wagon causes it to accelerate at 2.2m/s^2[E]. If a 55kg girl sits in the wagon and the same 75N[E] force is applied, find the new acceleration. Assume that no friction acts for this problem.
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Mass of wagon = (f/a) = 75/2.2, = 34.1kg.
New mass of wagon + girl = (34.1 + 55) = 89.1kg.
New acceleration = (f/m) = 75/89.1, = 0.842m/sec^2.
New mass of wagon + girl = (34.1 + 55) = 89.1kg.
New acceleration = (f/m) = 75/89.1, = 0.842m/sec^2.