Fossil fuels burn: cause
Glaciers melt: effect (mostly; the melting ice caps are a positive feedback loop of sorts)
Climates change: effect
Rain falls in unusual amounts: effect
Cities become more industrialized: cause
Human population grows worldwide: cause
In question 2
The second line of equation would be 54 = 108 + 10a
get the rest from that
<u>Statement</u><u>:</u>
A non-deformed spring is 15 cm long. When a 2.0 N force is applied to it, its length becomes 19 cm.
<u>To </u><u>find </u><u>out:</u>
The spring constant of the spring.
<u>Solution:</u>
- Extension of the spring (x)
- = (19 - 15) cm
- = 4 cm
- = 0.04 m [since we have to find the answer in N/m]
- Let the spring constant of the spring be k.
- We know, the formula of spring force, i.e.,
- F = kx
- Putting the values in the above formula, we get
- 2 N = k × 0.04 m
- or, k = 2 N ÷ 0.04 m
- or, k = 50 N/m
<u>Answer</u><u>:</u>
<u>The </u><u>spring </u><u>constant</u><u> of</u><u> </u><u>this </u><u>spring </u><u>is </u><u>5</u><u>0</u><u> </u><u>N/</u><u>m.</u>
Hope you could understand.
If you have any query, feel free to ask.
Answer:
= 0.0175 N/C
Explanation:
= drift speed in a copper wire = 7.89 x 10⁻⁵ m/s
μ = mobility of mobile electrons in copper wire = 4.5 x 10⁻³ (m/s)/(N/C)
= magnitude of electric field in the wire
Drift speed is given as
= μ
Inserting the values
7.89 x 10⁻⁵ = (4.5 x 10⁻³)
= 0.0175 N/C
<h2><u>Answer:</u></h2>
There's a ton of vitality put away in the bonds between the carbon and hydrogen iotas in glucose. Amid cell breath, redox responses fundamentally exchange this security vitality as electrons from glucose to particles called electron transporters.
In oxidation-decrease response is any substance response in which the oxidation number of a particle, iota, or particle changes by picking up or losing an electron. Redox responses are normal and imperative to a portion of the essential elements of life, including photosynthesis, breath, ignition, and erosion or rusting.
