Answer:
a) 0.21N/C
b) counterclockwise
Explanation:
a) to find the magnitude of the electric field you can use the following formula:
A: area of the ring = pi*r^2
E: electric field
Ф_B: magnetic flux
In the line integral you can assume E as constant. Furthermore, you calculate the change in the magnetic flux by taking into account that the time interval is 1.12/0.21=5.33s. By replacing in the formula you obtain:
the magnitude if the induced electric field is 0.21N/C
b) By the Lenz's law you can conclude that the current has a direction in a counterclockwise
They are positive and remain inside the nucleus.
Answer:
It increases
Explanation:
When the angular motion increases its intensity will also increase making it to spin fast.
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Answer:
(A) burning wood
Explanation:
Burning of wood is the only combustion reaction we have listed among the options.
Combustion is an exothermic reaction in that heat is released to the environment. Combustion usually occurs in the presence of oxygen. In this reaction, a fuel source, the wood reacts with oxygen to produce heat energy and some other products.
The same 500N, is the Newton’s Third Law.
