The acceleration due to gravity on planet Alpha is B) 8.0 m/s2
Explanation:
The weight of a body is given by:
where
m is the mass of the body
g is the acceleration of gravity at the location of the body
In this problem, we have:
m = 70 kg is the mass of the astronaut
W = 560 N is the weight of the astronaut on the surface of planet Alpha
Therefore, we can re-arrange the equation to find g, the acceleration of gravity on the planet:
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