When you stop at a railroad crossing at night, instead of correctly perceiving two red lights that flash alternately you may per
2 answers:
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Answer:
Force on the object is 20 N
Explanation:
As we know that work done to raise the book from initial position to final position is known as potential energy stored in it
So here we know that
here we know that
U = 30 J
s = displacement = 1.5 m
so we have
Answer:
Explanation:
From the question we are told that:
Radius
Current
Normal vector
Magnetic field
Generally the equation for Area is mathematically given by
Generally the equation for Torque is mathematically given by
Where
Therefore