Answer :
Final answer:
The net force acting on the skydiver is 800 N downward, and the mass of the skydiver is approximately 204 kg.
Explanation:
The question involves calculating the net force acting on a skydiver and determining the skydiver's mass. To find the net force, we subtract the upward force (air resistance) from the downward force (gravity):
Net force = Gravity - Air resistance
= 2000 N (downward) - 1200 N (upward)
= 800 N (downward)
The correct answer to the first question about the magnitude of the net force is 800 N (Option C).
To find the mass of the skydiver, we divide the gravitational force by the acceleration due to gravity (9.8 m/s2), which is a standard value. Using the formula:
Mass = Gravitational force / Acceleration due to gravity
= 2000 N / 9.8 m/s2
= 204.08 kg
When rounded to the nearest tenth, the mass of the skydiver is approximately 204 kg (Option A).
Learn more about Net Force and Mass Calculation here:
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