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3 years ago

Based on the weather station systems shown below, what is the most likely location of the low pressure system?

Physics

2 answers:

BigorU [14]3 years ago

5 0

Answer: Based on the weather station symbols shown below, what is the most likely location of the low pressure system?

A.Just West of City A.

kicyunya [14]3 years ago

3 0

D just east of station b

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Two sound waves, from two different sources with the same frequency of 420 Hz travel in the same direction at 336 m/s. The sourc

Tresset [83]

Answer:

Pi(3.14) radians or 180º degrees

Explanation:

First of all, we need to obtain the wavelength of a wave traveling to the speed of sound and 420 Hz of frequency.

The formula is:

$l=wavevelocity/frequency$

where l = wavelength in meters

With current values:

l = 336 [m/s]/420[1/s] = 0.8 meters

Since a complete cycle (360º or 2pi radians) needs 0.8 meters to complete, 0.4 meters or 40 cm is just half of it, making a 180º degree phase or 3.14 radians.

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3 years ago

DOUBLE POINTS AND BRAINLIEST ANSWER PLEASE THIS IS VERY IMPORTANT FOR UNIT TEST TOMORROW for each of these diagrams in the pictu

Anni [7]

Maybe nobody ever mentioned it to you, but it turns out that
current is another one of those things that's always conserved ...
it can't created or destroyed, just like energy and mass.

The total current in a circuit is always the same, but it can get
split up and travel through different paths for a while.

==> The total current is just the amount of current
 that's flowing in and out of the battery.

Diagram #1).
The total current coming out of the battery is 15 A.
That current is going to split up when it reaches the resistors.
 Part of it will flow through each resistor, but both of them
 will still add up to 15 A .
You have 9 A flowing through one resistor.
So the current in the other resistor is (15 - 9) = 6 A.

Diagram #2).
The total current coming out of the battery is 10 A.
That current is going to split up when it reaches the resistors.
 Part of it will flow through each resistor, but all of them
 will still add up to 10 A .
You have 2.5 A through one resistor and 3.5 A through another one.
So the amount left for the last resistor is (10 - 2.5 - 3.5) = 4 A.

8 0

3 years ago

Physically inactive (sitting down a lot during free time)

alekssr [168]

Yes, that’s physically inactive. You should be moving your arms and legs if you’re going to be sitting down.

6 0

3 years ago

If F1 is the force on q due to Q1 and F2 is the force on q due to Q2, how do F1 and F2 compare? Assume that n=2.

Anna35 [415]

This question is incomplete

Complete Question

Three equal point charges are held in place as shown in the figure below

If F1 is the force on q due to Q1 and F2 is the force on q due to Q2, how do F1 and F2 compare? Assume that n=2.

A) F1=2F2

B) F1=3F2

C) F1=4F2

D) F1=9F2

Answer:

D) F1=9F2

Explanation:

We are told in the question that there are three equal point charges.

q, Q1, Q2 ,

q = Q1 = Q2

From the diagram we see the distance between the points d

q to Q1 = d

Q1 to Q2 = nd

Assuming n = 2

= 2 × d = 2d

Sum of the two distances = d + 2d = 3d

F1 is the force on q due to Q1 and

F2 is the force on q due to Q2,

Since we have 3 equal point charges and a total sum of distance which is 3d

Hence,

F1 = 9F2

6 0

4 years ago

If a 0.750M solution exerts an osmotic pressure of 22.5atm, what must be the temperature (in Kelvin) of the solution

faust18 [17]

Answer:

T = 365.58 K

Explanation:

Given that,

The concentration of solution, C = 0.750M

Osmotic pressure, P = 22.5 atm

We need to find the temperature of the solution.

The formula for the osmotic pressure is given by :

$P=CRT$

Where

R is gas constant, $R=0.08206\ L\ atm/mol-K$

$T=\dfrac{P}{CR}\\\\=\dfrac{22.5}{0.75\times 0.08206}\\\\=365.58\ K$

So, the temperature of the solution is 365.58 K.

5 0

3 years ago