Answer:
Explanation:
From the question we are told that:
Number of turns
Conductor each with side length
Current
Magnetic field
Generally the equation for the total magnetic moment M is mathematically given by
A 35 kg chair is lifted 5M off the ground. what is the potential energy?
1 answer:
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Answer:
The focal lenth (F) =+10.0cm
Explanation:
The formular for combined focal length (F) is given as;
In this question,
F1 = 20cm
F2 = -30cm
Plugging the values into the formuar above,
f = 58.82cm
i.e. the combination behaves as a converging lens (because of the postive sign) of focal length 58.82cm .