If an object weighs 40n, calculate the mass (gravity = 9.8m/s^2)
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Ответ:
4.08 kg
Explanation:
We can apply the Newton's second law of motion to find the mass of this object:
where
is mass, and 
is acceleration, which is substituted by 
here. Now, plugging given numbers in the equation, we have
Solving for mass, we have
Ответ: