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stira [4]
3 years ago
14

Which statement best reflects a change in climate? It's very windy today and will rain later. Droughts in California have become

more common over the past few decades. There is a hurricane forming off the coast of Florida. Tropical climates are likely to be wet and warm.
Physics
2 answers:
KATRIN_1 [288]3 years ago
7 0

Answer:

Droughts in California have become more common over the past few decades

Explanation:

Normally people get confused between three terms: weather, season and climate and use them in a wrong manner.

Weather: It is an environment condition for a short period of time over a small area.

Season: A weather pattern common for one hemisphere of the Earth for a period of 3 months.

Climate: Weather pattern for a very long time (more than decades).

Using this you can easily see that only statement 2 reflects the change in climate. Other statements only shows the temporary weather phenomenon.

qwelly [4]3 years ago
5 0
The first one it's very windy today and will rain later.
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Gala2k [10]
Acceleration increases.
4 0
3 years ago
Read 2 more answers
A 1400 kg car is moving at 33.8 m/s when a force is applied the opposite direction of the car's motion. The car slows down to 21
zubka84 [21]

Solve for acceleration:

<em>a</em> = (21.4 m/s - 33.8 m/s) / (4.7 s)

<em>a</em> ≈ -2.6 m/s²

Solve for force:

<em>F</em> = (1400 kg) <em>a</em> ≈ -3700 N

The minus sign tells you the force points in the opposite direction of the car's motion. Its magnitude is always positive, so <em>F</em> = 3700 N.

3 0
3 years ago
Describe how tree rings indicate time. Do the same for ice cores and varves?
tatyana61 [14]

Answer:

counting tree rings can indicate age

Explanation:

hope i helped at least a little bit :)

7 0
3 years ago
Which of the following most logically completes the argument below?
kolezko [41]

Answer:

  (E) a greatly increased number of small particles in Earth’s orbit would result in a blanket of reflections that would make certain valuable telescope observations impossible

Explanation:

The trade is one strong reflection for many weak reflections (and more dangerous near-Earth space travel).

None of the answer choices except the last one has anything to do with the effect of exploding a satellite. When you are arguing that exploding a satellite is ill conceived, you need to address specifically the effects of exploding the satellite.

6 0
3 years ago
How to do this, i'm completely lost
vaieri [72.5K]
There are two torques t1 and t2 on the beam due to the weights, one torque t3 due to the weight of the beam, and one torque t4 due to the string.

You need to figure out t4 to know the tension in the string.

Since the whole thing is not moving t1 + t2 + t3 = t4.

torque t = r * F * sinФ = distance from axis of rotation * force * sin (∡ between r and F)

t1 =3.2 * 44g 
t2 = 7 * 49g 
t3 = 3.5 * 24g 

t4 = t1 + t2 + t3 = 5570,118

The t4 also is given by:

t4 = r * T * sin Ф

r = 7
Ф = 32°
T: tension in the string

T = t4 / (r * sinФ)

T = t4 / (7 * sin(32°)) 

T = 1501,6 N

8 0
3 years ago
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