Answer :
Final answer:
The mass of the lacrosse player can be found by dividing the net force by the acceleration. Using Newton's second law (F = ma), the calculated mass is approximately 162.78 kg, which rounds to choice D) 162.5 kg.
Explanation:
The mass of the lacrosse player can be determined using Newton's second law of motion, which states that the net force applied to an object is equal to the mass of the object multiplied by the acceleration of the object (F = ma). To find the mass (m), we can rearrange the formula as m = F / a.
Given the net force (F) is 1172 N and the acceleration (a) is 7.2 m/s², the calculation is as follows:
m = 1172 N / 7.2 m/s²
m = 162.78 kg
Therefore, the closest answer is D) 162.5 kg, which has been rounded from the calculated mass.
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