Heat = change in internal energy + Work done The internal energy of a system = heat added and mechanical work done by the system, i.e. U = Q + W rearranging the formula above, will give us: Q = deltaU + W
Q = U - W = 604 kJ - 43.0 kJ = 561,000 J would be the answer.
Answer:
B. Northern Canada
Explanation:
A continental polar air mass can form over the land during the winter months. In the Northern Hemisphere, it originates in northern Canada or Alaska. As it moves southward, it brings dry weather conditions to the United States. Temperature and humidity levels are both low. Hope this helps :)
Hello dear
When a concave mirror is used as rear view mirror then vehicles or any object behind the vehicle in which concave mirror is used
looks bigger than its actual size ,
2. it also looks more closer than actual
3. and it also do not give wider view of coverage .
Thus , it might lead to accidents of vehicles
We have that the magnification of each focal length is given respectively as
A) has 
B) has 
C) has 
From the question we are told that:
Focal Length F
Generally, the equation for Magnification is mathematically given by
Therefore
For A
Therefore
Therefore
For B
Therefore
Where
Therefore
For C
Therefore
Therefore
Therefore
Conclusion
From the calculations above we can rightly say that the magnifications of the values above are
A has
B has
C has
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Answer:
5
Explanation:
Hope this helps
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