A system has two possible energy states, E0 and E1 (with E1 > E0). If the difference between these energy states grows (E0 an
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Answer: maximum height= 40.8m
Explanation: shown in the attachment.
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Answer with Explanation:
We are given that
Magnetic field,B=
Length of wire,l=15 m
Current,I=19 A
a.We have to find the magnitude of magnetic force and direction of magnetic force.
Magnetic force,F=
Using the formula
Direction=
15 degree above the horizontal in the northward direction.
Answer:
Part a)
Part b)
Explanation:
As we know that the see saw bar is massless so here torque due to two masses is given as
here we will have
now we will have inertia of two masses given as
now we have
now the angular acceleration is given as
so we have
Part b)
Now if the rod is not massles then we will have total inertia given as
so we will have
now the acceleration is given as