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LenKa [72]
3 years ago
8

What happened to change people’s views and lead them to believe in continental drift?

Physics
1 answer:
True [87]3 years ago
5 0
The shape of the continents had been observed, that they fit together like a puzzle; this is easy to see with Africa and South America. Volcanoes and earthquakes had been found to only erupt in certain places - at the plate boundaries. Also, similar fossils had been found where the continents may have been connected. When satellite was introduced, some plate boundaries could even be seen from outer space.
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Describe the electron's path in this field. Describe the electron's path in this field. The electron will move in a clockwise ci
Jlenok [28]

Answer: D - The electron will move in a counterclockwise circular path if viewed in the direction of the magnetic field.

Explanation:

When the electron enters the field at an angle to the field direction the resulting path of the electron will be helical. Such motion occurs above the poles of the Earth where charges particles from the Sun spiral through the Earth's field to produce the aurorae.

Magnetic force on an electron = BILsinØ = B[e/t][vt] = BevØ

where v is the electron velocity

In a magnetic field the force is always at right angles to the motion of the electron (Fleming's left hand rule) and so the resulting path of the electron is circular.

4 0
3 years ago
Hurricanes along the Gulf Coastal areas of Texas increase the rate of coastal erosion.
4vir4ik [10]

Answer:

its the last question

Explanation:

Thats because erosion takes away stuff

3 0
3 years ago
Sound intensity, I, from a spherical source is a function of the distance, r, from the source of the sound. It is represented by
quester [9]

A study assessing the effect of anxiety Sound intensity, I, from a spherical source is a function of the distance, r, from the source of the sound.

Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have negative effects on our physical spherical. Anxiety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are spherical ready for a challenging situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, spherical with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.

Learn more about anxiety here:

brainly.com/question/4913240

#SPJ4

8 0
2 years ago
An alternative to CFL bulbs and incandescent bulbs are light-emitting diode (LED) bulbs. A 16-W LED bulb can replace a 100-W inc
Yanka [14]

Answer:

LED bulb = 0.145 A

Incandescent bulb = 0.909 A

CFL bulb = 0.218 A

Explanation:

Given:

Power rating of LED bulb (P₁) = 16 W

Power rating of incandescent bulb (P₂) = 100 W

Power rating of CFL bulb (P₃) = 24 W

Terminal voltage across the circuit (V) = 110 V

We know that, power is related to terminal voltage and current drawn as:

P=VI

Express this in terms of 'I'. This gives,

I=\frac{P}{V}

Now, calculate the current drawn in each bulb using their respective values.

For LED bulb, P_1=16\ W, V=110\ V

So, current drawn is given as:

I_1=\frac{16\ W}{110\ V}=0.145\ A

For incandescent bulb, P_2=100\ W, V=110\ V

So, current drawn is given as:

I_2=\frac{100\ W}{110\ V}=0.909\ A

For CFL bulb, P_3=24\ W, V=110\ V

So, current drawn is given as:

I_3=\frac{24\ W}{110\ V}=0.218\ A

Therefore, the currents drawn through LED bulb, incandescent bulb and CFL bulb are 0.145 A, 0.909 A and 0.218 A respectively.

5 0
4 years ago
A crane raises a 12,000 N marble sculpture at a constant velocity onto a pedestal 1.5 m above the ground outside an art museum.
Simora [160]

For the work, applicate formula:

\boxed{\boxed{\green{\bf{W = F\times d}}}}

According our data:

  • Replacing:

W = 12000 N * 1,5 m

  • Resolving:

W = 18000 J

The work done is <u>18000 Joules.</u>

7 0
3 years ago
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