Objectivity refers to the ability of a writer to present ideas or situations factually as they are without partiality.
<h3>What is objectivity in writing?</h3>
Objectivity refers to the ability of a writer to present ideas or situations factually as they are and not based on his or her own preconceived notions or bias.
To check for objectivity in a web document, one has to ;
- check the source of the material
- compare different web documents with it
- check on the websites credibility rating from others
Therefore, objectivity means being truthful and impartial.
Learn more about objectivity at: brainly.com/question/25529708
Answer:
125 Joules
Explanation:
In an elastic motion, the net kinetic energy of the system is conserved i.e the total kinetic energy of the system after the collision is equal to the total kinetic energy of the system before collision;
Kinetic Energy = 1/2 m*v^2
Total Kinetic energy = Kinetic Energy(Cart 1) + Kinetic energy(Cart 2);
Total K.E = 0.5*(10)*(5)^2 + 0 = 125 Joules;
Energy after collision = Energy before collision = 125 joules
If the cliff is 850m away, the sound travelled there and back which is 850m * 2 = 1700m
The sound took 5 seconds to travel 1700m, so it's moving at 1700m/5s = 340 m/s
Answer:
f = 214.4 Hz
Explanation:
It is a process of standing waves two waves one that travels to the right and another to the left are added, it is assumed that the frequency of the wave does not change, the result is a stable wave.
In the process of reflection of the wave there are two possibilities if the end is closed a node is formed and if it is open a belly is formed (antinode or maximum)
Let's apply these reasoning to our problem. We assume that the wave initially travels to the right, as it enters through an open end at that point it has a belly. When it reaches the other end that is open we also have a belly. As we see we have bellies at the ends, for there to be a wave inside the tube there must be a node, for the lowest resonance there is only one node, which must be in the center of the tube.
The distance from a node to a maximum (belly) corresponds to ¼ wavelength, so in this case we have within ½ tube wavelength
L = ½ λ
λ = 2L
λ = 2 0.80
λ = 1.60 m
Having the wavelength and the speed of sound let's use
v = λ f
f = v / λ
f = 343 / 1.60
f = 214.4 Hz