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Vedmedyk [2.9K]
2 years ago
6

a geologist is studying another planet. she wants to make a compositional and a structural model of the planets interior. T o do

this she needs to design investigations to answer a number of scientific questions for each question, state whether the answer will help develop a compositional model, structural model or both
Physics
1 answer:
Aleonysh [2.5K]2 years ago
7 0

Answer:

Is there a magnetic field?

both

What is the average density of the planet?

both

At what depths do seismic waves reflect?

structural

Does the magnetic field change over time?

both

What rock types are found on the surface?

compositional

What speed do seismic waves travel through different layers?

both

Explanation:

Questions about Earth’s magnetic field, average density, and the velocity of seismic waves will provide evidence for both models. The depths from which seismic waves reflect will inform structural models. The types of rock found on the surface will inform compositional models.

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A ball is dropped from a tower that is 206 m high, How long does it take to reach the ground?
Slav-nsk [51]

It will take 6.42 s for the ball that is dropped from a height of 206 m to reach the ground.

From the question given above, the following data were obtained:

Height (H) = 206 m

<h3>Time (t) =? </h3>

NOTE: Acceleration due to gravity (g) = 10 m/s²

The time taken for the ball to get to the ground can be obtained as follow:

H = ½gt²

206 = ½ × 10 × t²

206 = 5 × t²

Divide both side by 5

t^{2}  = \frac{206}{5}\\\\ t^{2} = 41.2

Take the square root of both side

t = \sqrt{41.2}

<h3>t = 6.42 s</h3>

Therefore, it will take 6.42 s for the ball to get to the ground.

Learn more: brainly.com/question/24903556

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