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On Planet Y, which has no air, a dropped object falls 9 m in 3 seconds. What is g, the acceleration due to gravity, on that planet?

9.8 m/s2

9.8 m/s 2

3 m/s2

2 m/s2

Respuesta :

Answer: time to fall | 2.5 seconds

final speed | 24 m/s (meters per second)

= 1300 miles per day

= 55 mph (miles per hour)

(assuming point mass)

Explanation: