Answer:
Explanation:
The parametric equations of the cyclist are:
(1)
A) The horizontal velocity is the derivative of x(t), in time:
B) For A=20° the horizontal velocity is:
For A=45°:
C) To find the time in which the vertical velocity is zero you first obtain the derivative of, in time:
Next, you equal the vertical velocity to zero and solve for time t:
D) The maximum height is reached when the derivative of y (height) is zero. You use the previous value of t in the equation (1), equals y to 35. Next, you solve for t:
<u>The frequency of the sound</u> determines the pitch .The higher the frequency , the more high pitched it will sound. if the frequency is very low, it will sound very low pitched.
This is affected by motion of a sound source because if the sound source moves faster, this makes the frequency higher( since frequency is the number of waves/revolutions/whatever per second)
So , if for example , the sound source makes 4 vibrations or whatever in a second , it will have a frequency of 4Hz , but if a sound source makes 8 vibrations or whatever in a second , it will have a frequency of 8Hz . And since pitch is determined by frequency , the sound pitch with a frequency of 8Hz will have a higher pitch than sound source with a frequency of 4Hz.
Answer:
Explanation:
Light reflects in the same manner that any wave would effect ...
Light disttracts in the same manner how any wave would disttract.
Light undergoes interfere in the same manner that any wave would interfere
C. 1.0 mol/kg sodium phosphide (Na3P)<span>
This is because it will produce 4 ions, and thus has the highest molalitiy. (more particles in solution lowers the freezing point)
</span><span>remember if you ever need anything and you dont want to waste points you can just post it on my pfp or message me the question</span>
Answer: a or b can u pls give me brainlest
Explanation:A straight line is a curve with constant slope. Since slope is acceleration on a velocity-time graph, each of the objects represented on this graph is moving with a constant acceleration.
