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Elina [12.6K]
3 years ago
15

DUEEEE IN 3 HOURS!!

Physics
1 answer:
kakasveta [241]3 years ago
7 0

Answer:

air humidity

Explanation:

Air parcel is a blob of air which moves in the atmosphere. For stability, if the air parcel is displaced vertically then it returns to the original position.

The most important points to know of the rising air parcel are the air humidity of the air, the temperature of the air and its dew point. These are the critical information to determine the stability of the air.

The air parcel rises buoyantly as it gets warmer than the surrounding environment.

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The blade of a windshield wiper moves through an angle of 180.0 degrees in 0.500 s. The tip of the blade moves on the arc of a c
sweet-ann [11.9K]

Answer:

Centripetal acceleration will be equal to 10.66m/sec^2

Explanation:

We have given time taken to cover 180° is 0.5 sec

So time taken by 360° is equal to = 2×0.5 = 1 sec

Radius of the circle r = 0.520 m

So distance d=2\pi r=2\times3.14\times 0.520=3.2656m

So velocity v=\frac{distance}{time}=\frac{.2656}{1}=3.2656m/sec

We have to find the centripetal acceleration

Centripetal acceleration will be equal to a_c=\frac{v^2}{r}=\frac{3.2656^2}{1}=10.66m/sec^2

So centripetal acceleration will be equal to 10.66m/sec^2

7 0
4 years ago
A 800 J <br> B -800 J <br> C 400 J <br> D -400 J <br> ??
Ierofanga [76]

I think it will be 800j because right absorb mean getting more

8 0
4 years ago
What two quantities must stay the same in order for an object to have a constant velocity? A) The speed and kinetic energy must
GarryVolchara [31]

the answer is c) the speed and direction of travel must be constant


7 0
4 years ago
Energy cannot be _________ or ___________ just ______________ in form.
djverab [1.8K]

Answer: Energy cannot be <u>created</u> or <u>destroyed</u> just <u>changes</u> in form.

Explanation:

This is the principle of the first Law of Thermodynamics, which relates the work and the transferred energy exchanged in a system through the internal energy, which is neither created nor destroyed, it is only transformed.

In other words: The total energy of a system is always conserved.

7 0
4 years ago
B. How could you determine the instantaneous speed during the trip? Be specific.
alex41 [277]

Answer:

Speedometer.

Explanation:

If you look at the speedometer in a car, you will see your instantaneous speed. Speedometers tell you your speed of that moment and thats what instantaneous speed.

6 0
3 years ago
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