What is the net force of a 10 kg box with a velocity of 2 meters a second?
2 answers:
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Average force is 666.67 N
<u>Explanation:</u>
Given that :
m = Mass of the baseball = 0.2 kg
u = Initial velocity = 20 m/s
v = Final velocity = 40 m/s
t = Time taken for change in velocity = 0.006 s
We know:
Force exerted = mass × acceleration = m ×a
Acceleration can be found by means of dividing the change in velocity measured in m/s by the time taken in seconds.
a = =
m/s²
Now we have to find the force using the formula, F = mass × acceleration as,
F = 0.2 kg ×3333.3 ms⁻² = 666.67 N