What is the most common gas in the atmosphere
2 answers:
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Answer and Explanation:
We know that resistance from the given equation of resistance it is clear that resistance depends on resistivity length and area of the material but we can not change the length because it is given that the length must be 2.5 cm long.
So we can do two two things to reduce the resistance
- increase the cross sectional area
- decrease the resistivity of the material
Answer:
The burden distance is 7 ft
Solution:
As per the question:
Specific gravity of package emulsion,
Specific gravity of diabase rock,
Diameter of the packaged sticks, d = 3 in
Now,
To calculate the first trail shot burden distance, B:
B = 7 ft