At baseball practice, Mason and Alfredo both picked up the same bat and neither would let go until one of them had it for himsel
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According to Newton`s law. Force exerted by car,
After adding an additional 400 kg of mass, the force will be same therefore the acceleration
Thus, the acceleration after adding the masses is 1.47 \ m/s^2.
We have the equation of motion
, where v is the final velocity, u is the initial velocity, a is the acceleration and s is the displacement.
In this case initial velocity = 2.20 m/s, final velocity = 0 m/s, displacement = 14 m
On substitution we will get 0 =
On solving we can find the acceleration value as -0.173
So free fall acceleration = 0.173