Metal bar is aligned along East- West direction and it is dropped vertically down
So its velocity is along -Z direction,
Now the Earth's magnetic field is towards north so its towards +Y direction
now we have formula for force on a moving charge

v = - z direction
B = + y direction
now by the above formula


So force is towards East
so all positive charge is towards East end
Answer:
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Answer:
W and X
Explanation:
When escaping a rip current, one should always walk to the side until you escape from the rip current. If you walk towards the shore, you have the ability to keep getting dragged toward the current, such as with X and Y.
Answer:
245.25 J
Explanation:
Potential Energy = m g h
= 10 * 9.81 * 2.5 = 245.25 J
Answer:
40 W
Explanation:
The maximum wattage (power) that Mike can use is given by:

where
V is the voltage
I is the maximum current
In this problem, we have:
is the voltage
is the maximum current available
Therefore, the maximum power that could be used is
