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Helga [31]
3 years ago
10

a scientific_ is a rule used to discribe a pattern seen in nature not an examplanation of why that patten might occur

Physics
1 answer:
devlian [24]3 years ago
8 0
A scientific law is the answer
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An object's buoyant force and weight mean the same thing.<br><br>A. True<br><br>B. False​
german

Answer:

False

Explanation:

No. The buoyant force on an object is the portion of its weight that appears to vanish

when the object is in any fluid (could be either a liquid or a gas).

If the object happens to float in a particular fluid, then the buoyant force at that moment

is equal to the object's weight.

Notice that the buoyant force on an object will be different in different fluids.

6 0
3 years ago
An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan decreases to 84.7 rad/s in 2.9
ale4655 [162]

The initial angular speed of the fan will be 55.0 rad/sec. The angular speed of the fan decreases to 84.7 rad/s in 2.96 s.

<h3>What is angular acceleration?</h3>

Angular acceleration is defined as the pace of change of angular velocity with reference to time.

Given data;

Final angular speed,\rm \omega_f = 84.7 rad/s

Initial angular speed, \rm \omega_i = ?

Time period,t= 2.96 s

Angular deceleration = 47.2 rad/s²

\rm \alpha =\frac{\omega_f-\omega_i}{t} \\\\\rm 47.2 =\frac{84.7-\omega_i}{2.96} \\\\ \omega_i = 55.0  \ rad/sec

Hence the initial angular speed of the fan will be 55.0 rad/sec.

To know more about angular acceleration refer to the link ;

brainly.com/question/408236

#SPJ

7 0
2 years ago
Brandy has built a computer model of a weather system. She has included information about bodies of water, the Sun, and the atmo
Mashcka [7]

Answer:

City A will have a higher temperature overall than City B (D)

Explanation:

If all factors other than elevation are the same for both cities, then City A will have a higher temperature overall than City B. This is because there are fewer air molecules at higher elevations. Fewer air molecules mean less heat is absorbed by the atmosphere, and temperatures are lower. This is why areas high in the mountains are often much cooler than areas down on the plains.

5 0
4 years ago
Read 2 more answers
Se the IUPAC nomenclature rules to give the name for this compound - CaS.
Anna11 [10]

Answer:

Calcium sulphide

Explanation:

If we look at the compound, we will discover that it is an ionic compound. The compound is comprised of Ca^2+ and S^2-.

The cation Ca^2+ is the calcium ion while the anion S^2- is the sulphide ion hence the compound is rightly named calcium sulphide.

8 0
3 years ago
Acceleration due to gravity is
Korolek [52]

Acceleration due to gravity is different in every location, because gravity itself is different in every location.

Here are a few values of gravitational acceleration in various places:

-- Surface of Jupiter . . . 24.8 m/s²

-- Surface of Mars . . . 3.7 m/s²

-- Surface of the Sun . . . 274 m/s²

-- Surface of Earth . . . 9.8 m/s²

-- In orbit 300 miles above the Earth's surface . . .  8.5 m/s²

-- Surface of Earth's Moon . . . 1.6 m/s²

3 0
4 years ago
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