How are electromagnets made and how do they work?
1 answer:
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Answer: 1
Explanation:
Given
Tension is the string
mass of object
Tension is greater than the weight of the object i.e. elevator is moving upward
we can write
For these question, it has two separate equations: 2f(a) and f(2a) .
For f(2a) equations its x=2a, so you must substitute 2a into the f(x) equation
For 2f(a), it means the two time of f(a) equation with x=a, so you substitute a inti f(x) equation first, then you multiply it by 2.
