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Masteriza [31]
3 years ago
7

What is the first thing to check when a refrigerator stops working?

Physics
1 answer:
Bad White [126]3 years ago
4 0
The first thing to check when a refrigerator stops working is the temperature of the the food in the refrigerator using thermometer. If the temperature is below 41 degree Fahrenheit, move the food inside it to another refrigerator or a big food cooler that contains ice pack, pending the time that the refrigerator will be repaired.  
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What the answer help mees
Vera_Pavlovna [14]
C. The membrane is inside the cell wall. The cell wall surrounds the membrane.
7 0
3 years ago
a car tire is filled with air at pressure 325000 pa at 283 k. if the tire warms up to 302 k, what is the new pressure of the tir
WARRIOR [948]

Answer:

346819 Pa       or   ,347000 Pa in 3 significant figures

Explanation:

P1= 325000Pa , T1= 283K ,

P2=?  T1= 302 K

as here volume and mass both are constant so using ratio method for pressure temperature law we have P1/T1 = P2/T2

THIS WE CAN ALSO OBTAIN BY RATIO METHOD FOR GENERAL GAS LAW AS

P1V1/(m1T1 ) =  P2 V2/ (m2 T2)

IF V1 = V2 =V AND m1=m2=m then expression reduces to

P1/T1 = P2/T2

or P2 = (P1/T1)×T2

P2 = (325000/283) × 302

P2 = 1148.41×302

P2=346819

P2 = 347000 Pa in 3 significant figures

8 0
3 years ago
Which of the following are not properties of metals? Check all that apply. *
wolverine [178]

D. they have a full luster

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3 years ago
A pendulum has 366 J of potential energy at the highest point of its swing. How much kinetic energy will it have at the bottom o
Ilya [14]
366J.  Energy is conserved and is transformed from completely potential energy at the top to completely kinetic at the bottom.
5 0
3 years ago
Any help is appreciated
sdas [7]

image distance,di=10 cm

object distance,do=20cm

magnification, m=di/do

=10/20

=0.5

since the image is virtual, magnification is negative.

therefore m=-0.5

8 0
3 years ago
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