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ohaa [14]
3 years ago
15

What scientist improved apon the telescope

Physics
1 answer:
Yakvenalex [24]3 years ago
3 0

Galileo Galilei is the scientist that improved apon the telescope


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Organism undergo constant chemical changes as they maintain an internal balance known as?
Aleks04 [339]
The answer is homeostasis.
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3 years ago
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Which of the following statements about blood alcohol concentration (BAC) are true?
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D) Neither A or B are correct
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If Sherry took her pulse for 6 seconds and felt 14 beats, What would her heart rate be?
Tom [10]

Answer:

140 beats per minute

Explanation:

You have to multiply the ratio 14 beats/6 seconds by 10 because 6 seconds times 10 to get 1 minute. The answer you get is 140 beats/60 seconds.

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2 years ago
What is the moment of inertia of an object that rolls without slipping down a 3.5-m- high incline starting from rest, and has a
Daniel [21]

Answer:

I = 0.287 MR²

Explanation:

given,

height of the object = 3.5 m

initial velocity = 0 m/s

final velocity  = 7.3 m/s

moment of inertia = ?

Using total conservation of mechanical energy

change in potential energy will be equal to change in KE (rotational) and KE(transnational)

PE = KE(transnational) + KE (rotational)

mgh = \dfrac{1}{2}mv^2 + \dfrac{1}{2}I\omega^2

v = r ω

mgh = \dfrac{1}{2}mv^2 + \dfrac{1}{2}\dfrac{Iv^2}{r^2}

I = \dfrac{m(2gh - v^2)r^2}{v^2}

I = \dfrac{mr^2(2\times 9.8 \times 3.5 - 7.3^2)}{7.3^2}

I =mr^2(0.287)

I = 0.287 MR²

3 0
3 years ago
What is motion?<br>What are 3 formulas of motion?
zepelin [54]

Answer:

3 formula are

v = u + at

v² = u² + 2as

s = ut + ½at²

what is motion

the action or process of moving or being moved.

5 0
3 years ago
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