3 years ago

When the only force affecting an object is gravity,that object is in _______________

1 answer:

5 0

Freefall. Just like when the elevator first starts moving or your in space. Not zero gravity but free fall because it's a vacuum so there is no drag, just gravity

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On the earth, when an astronaut throws a 0.250-kg stone vertically upward, it returns to his hand a time T later. On planet X he

Liula [17]

Answer:

correct is d) a ’= g / 2

Explanation:

For this exercise let's use the kinematics equations

On earth

v = v₀ - a t

a = (v₀- v) / T

On planet X

v = v₀ - a' t’

a ’= (v₀-v) / 2T

Let's substitute the land values in plot X

a’= a / 2

Now let's use Newton's second law

W = ma

m g = m a

a = g

We substitute

a ’= g / 2

So we see that on planet X the acceleration is half the acceleration of Earth's gravity

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3 years ago

a scientists collects a core sample from 60 km deep in earth what will she most likley observe plz help taking a test

Svetradugi [14.3K]

Answer:

Explanation:

A scientist collects a core sample from 60 km deep in Earth. Which characteristic will she most likely observe in this sample? C. The sample mainly consists of ...

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2 years ago

What is a sloping surface, like a ramp, that reduces the amount of force required to do work.

puteri [66]

If this is about simple machines the answer is: Inclined plane

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3 years ago

Two tuning forks are played at the same time. One has a frequency of 490 Hz and the other is 488 Hz. How many beats per second a

Gnoma [55]

Hope this helps you.