The answer is actually c hope this helps
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Pressure = (force) / (area)
Pressure = (65 N) / (0.02 m²)
Pressure = (65 / 0.02) (N / m²)
Pressure = 3,250 N/m²
Note: 1 N/m² is called 1 Pascal, so that medic is leaning into it with a pressure of
3,250 Pa
Volume isn't a property of matter at all. You can have a big lump or a tiny lump of the same substance.
Answer:I dont know
Explanation:
loyd is studying the effect of breakfast cereal on the health of rats. He suspects that the cereal may be unhealthy. He feeds rats various amounts of breakfast cereal over a six-week period. He weighs the rats using a digital lab balance at the beginning of the experiment and then again at the end of the experiment. Then, he calculates the change in weight.
When writing the conclusion of his report, Lloyd states that the breakfast cereal is not a healthy choice for school children since it causes them to gain weight unnecessarily.
What component of scientific argumentation is missing from Lloyds work?
graphs and tables in the written report
empirical data that supports his claim
appropriate equipment for use in the experiment
accurate measurements made during the experiment
Answer: a) Cnew=Cinitial ; b) λouter new= 2*λ outer initial
Explanation: In order to explain this question we have to take into account the expression of teh cylinder capacitor given by:
C/L= (2*π*εo)/ln (b/a)= where b and a are the outer and inner radius, respectively. L is the length of the capacitor.
As you can se this formule depents of geometrical characateristics of the capacitor.
The capacitance is the same after change the densities of charge.
On the other hand,
The new charge in each cylinder ( inner and outer) is determined
The new potential is 2 times the initial one so
V new= 2* Vinitial
Also we know that
Vnew= Q/C= λnew*L/C; C= constant
using this formule and considering that V new is doubled then the charge per one meter length, is also doubled .
This is as follow:
Vnew= λnew*L/C=
λnew = (2*Vinitial)* C/L= 2 (λ initial)
Then λouter new = 2* λouter initial