The formula for force exerted on/by a spring is
F = k*e where k is the spring constant and x is the distance stretched from
unstrained position. This should allow you to find what you need.
Using F = k x e,
where k is the spring constant,
and e is the extension,
The F is her weight = 45 X 0.80
= 36 N
Answer:
F1= 588 N
F2= 784 N
Explanation:
Please see the attached file.
Answer:
By holding another magnet close to it. If the object is attracted to the magnet, then it too is magnetic.
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