When taking a penalty kick, a footballer applies a force of 30.0N for a period of 0.05s. if the mass of the ball is 0.075kg, calculate the speed with which the ball moves off.
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Correct Answer: Option C
Explanation:
F = \(\frac{m(v - u)}{T}\)
30 = \(\frac{0.75(v - 0)}{0.05}\)
v = 20ms-1
F = \(\frac{m(v - u)}{T}\)
30 = \(\frac{0.75(v - 0)}{0.05}\)
v = 20ms-1