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jolli1 [7]
2 years ago
13

people will buy more of a good when its price falls and less when its price rises, according to the....

Physics
2 answers:
MrRa [10]2 years ago
8 0

Answer:

law of demand

Explanation:

Svetlanka [38]2 years ago
5 0
People will buy more of a good when its price falls and less when its price rises, according to the law of demand. 
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calculate the resistance of a wire 150cm long and diameter 2.0mm constructed from an alloy of resistivity 44*10-⁸Ωm​
Ghella [55]

Answer:

R = 0.21 Ω

Explanation:

the formula:

R = r x l/A

R = (44 x 10-⁸ Ωm) x 1.5 / (π x (1 x 10-³ m)²)

R = 6.6 x 10-⁷ / 3.14 x 10-⁶

R = 0.21 Ω

8 0
3 years ago
In which situation is the acceleration of the car negative?
VikaD [51]
When a car is slowing down, it has a negative acceleration.  Although it is not going a negative speed, it is decreasing in velocity, which is the definition of a negative acceleration.

Hope this helps!
4 0
2 years ago
Read 2 more answers
Charge of uniform linear density (6.7 nC/m) is distributed along the entire x axis. Determine the magnitude of the electric fiel
ad-work [718]

Thw question is not complete. The complete question is;

Charge of uniform linear density (6.7 nCim) is distributed along the entire x axis. Determine the magnitude of the electric field on the y axis at y = 1.6 m. a. 32 N/C b. 150 NC c 75 N/C d. 49 N/C e. 63 NC

Answer:

Option C: E = 75 N/C

Explanation:

We are given;

Uniform linear density; λ = 6.7 nC/m = 6.7 × 10^(-9) C/m

Distance on the y-axis; d = 1.6 m

Now, the formula for electric field with uniform linear density is given as;

E = λ/(2•π•r•ε_o)

Where;

E is electric field

λ is uniform linear density = 6.7 × 10^(-9) C/m

r is distance = 1.6m

ε_o is a constant = 8.85 × 10^(-12) C²/N.m²

Thus;

E = (6.7 × 10^(-9))/(2π × 1.6 × 8.85 × 10^(-12))

E = 75.31 N/C ≈ 75 N/C

5 0
3 years ago
Which of the following is a scalar? centripetal force<br> weight<br> speed<br> acceleration
choli [55]
Scalar is a quantity such as mass or length that is completely determined by its own magnitude and has no direction. Therefore, your answer is Speed.
6 0
3 years ago
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What role does the spark from the igniter play in the reaction that takes place when propane is burned in a gas grill?
kipiarov [429]
The spark provides enough energy to break the bonds of reacting molecules and <span>get the reaction started.</span>
7 0
3 years ago
Read 2 more answers
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