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boyakko [2]
2 years ago
15

Jane believes that plate tectonics is a theory, and Mario believes it is a law. Which of the following best supports Jane’s argu

ment?
A. Plate tectonic theory specifies how fast the plates may have moved in the past.

B. Plate tectonic theory gives a precise prediction of the direction of plate tectonics.

C. Plate tectonic theory explains why the outer layers of the Earth move and change.

D. Plate tectonic theory provides a means to calculate exactly where and when the plates will move.
Physics
2 answers:
Gekata [30.6K]2 years ago
8 0

Answer:

its d

Explanation:

i did this and got it right

natima [27]2 years ago
6 0
Answer: D
Hope this helps at least a little bit :)
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Cutting down trees can decrease the amount of water vapor entering the air through the processes of ____?
AlexFokin [52]

✿  Transpiration is the process by which water is carried through plants from roots and release water vapor through their leaves.

✿  Cutting down trees can decrease the amount of water vapor entering the air through the processes of <u>Transpiration</u>

5 0
2 years ago
A point charge of 6.8 C moves at 6.5 × 104 m/s at an angle of 15° to a magnetic field that has a field strength of 1.4 T.
Gekata [30.6K]

As per the question, the point charge is given as [q] = 6.8 C

The velocity of the charged particle [v] = 6.5*10^{4}\ m/s

The magnetic field [B] = 1.4 T

The angle made between magnetic field and velocity [\theta] = 15 degree.

We are asked to calculate the magnetic force experienced by the charged  particle.

The magnetic force experienced by the charged particle is calculated as -

Magnetic force \vec F=q(\ \vec V \times \vec B)

                        i.e F = =qVBsin\theta

                                   =6.8*6.5*10^{4}*1.4*sin15

                                   =61.88*10^{4}sin15

                                   =61.88*10^4*0.2588\ N

                                   =16.016*10^4\ N

                                   =1.6*10^5\ N

Hence, the force experienced by the charged particle is C i.e 1.6*10^5 N

                                   

             

4 0
2 years ago
Read 2 more answers
A 0.2 kg hockey park is sliding along the eyes with an initial velocity of -10 m/s when a player strikes it with his stick, caus
babunello [35]

Answer:

The impulse applied by the stick to the hockey park is approximately 7 kilogram-meters per second.  

Explanation:

The Impulse Theorem states that the impulse experimented by the hockey park is equal to the vectorial change in its linear momentum, that is:

I = m\cdot (\vec{v}_{2} - \vec{v_{1}}) (1)

Where:

I - Impulse, in kilogram-meters per second.

m - Mass, in kilograms.

\vec{v_{1}} - Initial velocity of the hockey park, in meters per second.

\vec{v_{2}} - Final velocity of the hockey park, in meters per second.

If we know that m = 0.2\,kg, \vec{v}_{1} = -10\,\hat{i}\,\left[\frac{m}{s}\right] and \vec {v_{2}} = 25\,\hat{i}\,\left[\frac{m}{s} \right], then the impulse applied by the stick to the park is approximately:

I = (0.2\,kg)\cdot \left(35\,\hat{i}\right)\,\left[\frac{m}{s} \right]

I = 7\,\hat{i}\,\left[\frac{kg\cdot m}{s} \right]

The impulse applied by the stick to the hockey park is approximately 7 kilogram-meters per second.  

8 0
3 years ago
There is a repulsive force between two charged objects when ____________ .
xxTIMURxx [149]
There is a repulsive force between two charged objects when they are of like charges/ they are likely charged (like charges repel each other)
3 0
2 years ago
Planet Kling has half the radius and 2 times the mass of the Earth. What is the best estimate for the magnitude of the gravitati
Vlad [161]

Answer:80 m/s^2

Explanation:

6 0
3 years ago
Read 2 more answers
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