A bicycle wheel has spokes for support. Each spoke extends from the center of the wheel to the rim. Which method can be used to
2 answers:
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The new weight is 273.8 N
Explanation:
The weight of an object on Earth is given by
where
m is the mass of the object
g is the acceleration of gravity
The acceleration of gravity at the Earth's surface can be rewritten as
where
G is the gravitational constant
M is the Earth's mass
R is the Earth's radius
Substituting into the previous equation,
We said that in normal conditions, the weight of the person is 730 N:
Later, we are said that:
- The mass of the Earth increases by a factor of 6,
- The radius of the Earth increases by a factor of 4,
Substituting into the equation, we find the new weight of the person in these conditions:
So, the new weight is 3/8 of the original weight, therefore:
Learn more about gravity:
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