The given question is incomplete as the options are missing. The options of this question are as follows-
a) limestone deposits in the soil beneath them, and ions that wash away
b) magnesium-bearing basalt in the soil beneath them, and ions that wash away
c) clays, rust, and sand that go into making soil beneath them, and ions that wash away
d) soluble ions that primarily go into making soil beneath them
e) diet pepsi.
Answer:
Option (C)
Explanation:
Granite is an intrusive igneous rock that is comprised of minerals such as quartz, feldspar and some amount of amphibole as well as mica. It is a very hard and resistant rocks, and so are commonly used for many purposes such as building stones, headstones and tombstones.
According to the given condition, these rocks constantly interacts with the wind, water, and other factors, as a result of which the rock weathers and creates sediments such as clays, sand and rust particles which are mostly deposited beneath the headstones and some are even washed away by the agents such as wind and water.
Thus, the correct answer is option (C).
Q: An appliance with a 20 Ω resistor has a power rating of 15.0 W. Find the maximum current which can flow safely through the appliance g
Answer:
0.866 A
Explanation:
From the question,
P = I²R............................. Equation 1
Where P = power, I = maximum current, R = Resistance.
Make I the subject of the equation
I = √(P/R).................... Equation 2
Given: P = 15 W, R = 20 Ω
Substitute these values into equation 2
I = √(15/20)
I = √(0.75)
I = 0.866 A
Hence the maximum current that can flow safely through the appliance = 0.866 A
The distance covered by the object between t =4 s and t = 6 s is 4 m
Explanation:
In a velocity-time graph, the distance covered by the object represented can be found by calculating the area under the curve.
Therefore, the distance covered by the object between t = 4 s and t = 6 s is the area under the curve between 4 s and 6 s.
We see that we have to calculate the area of a triangle, with:
Base:
And height:
Therefore, the area is
So, the distance covered by the object is 4 m.
Learn more about distance:
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Answer:
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
We know that the centripetal acceleration is zero, since the summation of forces is the mass times the acceleration in the x- component.
