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tekilochka [14]
3 years ago
13

Explain temperature gradient​

Physics
1 answer:
Agata [3.3K]3 years ago
6 0

Explanation:

temperature gradient is a physical quantity that describes in which direction and at what rate the temperature changes the most rapidly around a particular location. The temperature gradient is a dimensional quantity expressed in units of degrees per unit length. The SI unit is kelvin per meter.

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Which of the following quantities are vectors?
Arte-miy333 [17]

Answer:

electric fields

Explanation:

3 0
3 years ago
Figure 1 shows the kinetic energy as a function of time for a 2kg object that is released from rest and falls toward Earth’s sur
garri49 [273]

<u><em>Answer:</em></u>

The answer is 1400 J, according to my Physics teacher.

<u><em>Explanation:</em></u>

You need to take into account everything that is listed in the question; it's important to remember that the question is asking about the change in gravitational potential energy of the object-object-Earth system from 0s to 10s, not 0s to 20s. :)

7 0
3 years ago
A listener is sitting somewhere on the line between two loudspeakers that are 10 m apart. The speakers are each emitting a sine
prohojiy [21]

Answer:

57.17 Hz 114.34 Hz 285 Hz

Explanation:

The distance between the men and 1 speaker = 3.5 m

Distance between the men and second speaker = 10-3.5= 6.5 m

Here at this point there will be no sound so there will be destructive interference

Path difference \Delta x=6.5-3.5=3

We know that for destructive interference \Delta x=(2m+1)\frac{\lambda }{2}=(2m+1)\frac{v}{2f}

3=(2m+1)\frac{v}{2f}

f=(2m+1)\frac{v}{6} here v is the speed of sound in air

So for m =0

f=(2\times 0+1)\frac{343}{6}=57.17H

for m =1

f=(2\times 1+1)\frac{343}{6}=114.34Hz

for m=2

f=(2\times 2+1)\frac{343}{6}=285Hz

 

6 0
3 years ago
Which of the following is a correct equation for total energy?
sweet [91]

Answer:

Total energy=Kinetic energy+Potential energy

Explanation:

the total energy will be obtained from the energy of an object in motion and the energy stored in the object

8 0
3 years ago
Read 2 more answers
The cuboid and the cube below are placed on the floor. The cuboid has a weight of 60N and the cube has a weight of 40N. Which ex
Anika [276]

Hello. You forgot to put the image that shows information needed to answer that question. The image is attached below:

Answer:

The cuboid and the cube exert the same pressure on the floor.

Explanation:

To answer this question, we must first consider that the area of the cuboid is equal to 24cm^2, while the area of the cube is equal to 16cm^2.

With that, we must calculate the pressure that each exerts, with the formula:

P = F / A

Cuboid: P = 60 / 0.0024 = 25000 N/m^2

Cube: P = 40 / 0.0016 = 25000 N/m^2

7 0
4 years ago
Read 2 more answers
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