The magnitude of displacement =
the distance between start-point and end-point,
regardless of the route followed along the way.
Any motion that ends up where it started has zero displacement.
An object on a circular path starts over at zero displacement every time
it completes a full revolution. So does a race-car on a track.
Answer:
B
Overgrazing and poor farming techniques can also lead to soil erosion, but it is important to remember that not all causes are human; climate and natural soil quality are also important factors to consider in tropical and mountainous regions.
Explanation:
Be would be the correct answer because Choice D sounds like another fact or another sentence in a passage. It doesn't sound like a sentence to explain or support the passage. Also Choice A sounds like that too.
Choice C could sound like it too though because when they have details that could really help and support it.
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The Balmer series lights fall under the category of VISIBLE LIGHT.
Balmer series light refers to the spectral emissiions that emanate from hydrogen atom. The spectrum of light from an hydrogen atom possess four different types of wavelengths, these are: 410, 434, 486 and 656 nm. It can be seen that the four wavelengths fall under the category of visible light, the wavelengths are more that 400 nm but lower than 700 nm.<span />
The load value for interrupts every one milliseconds is
The load value for interrupts every millisecond is
However, we can only load integer values, therefore we apply
When the delay is 1 ms, it is accurate, but when the delay is 1 us, it is a little bit less. We are unable to provide an accurate 1 us delay interrupt because this requires a fractional value was calculated.
<h3>What does a SysTick timer do?</h3>
- The systick timer has an auto reload and a 24-bit countdown timer.
- An RTOS scheduler typically uses it to provide a periodic interrupt.
- The Cortex-M CPU clock is used as the default clock source for the systick timer.
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Assume this is 22 degrees from the horizontal (x).
A vector can always be split into components - in this case we can think of the world in two dimensions, meaning the 72ms-1 has a vertical and a horizontal component. We therefore know the hypotenuse of the triangle (the overall velocity) and the angle from the ground. Hence we can use trigonometry to solve this problem.
We know x and the hypotenuse, and we want to know the magnitude of the adjacent side (horizontal), therefore we can use cosx=adj/hyp
Substituting:
Cos(22) = adj/72
Adj = 72cos22 = 66.8ms-1 = 67ms-1 to 2sf