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Anna71 [15]
3 years ago
8

Which scientist did this?

Physics
2 answers:
DochEvi [55]3 years ago
8 0
Ernest Rutherford

Known for

Discovery of alphaand beta radioactivity

Discovery of atomic nucleus(Rutherford model)

Rutherford scattering
Rutherford backscattering spectroscopy

Discovery of proton

Rutherford (unit)

Coining the term 'artificial disintegration'

Colt1911 [192]3 years ago
4 0

You answer would be C. Ernest Rutherford.

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Answer:

Explanation:

The given time is 1 / 4 of the time period

So Time period  of oscillation.

= 4 x .4 =1.6 s

When the block reaches back its original position when it came in contact with the spring for the first time , the block and the spring will have maximum

velocity. After that spring starts unstretching , reducing its speed , so block loses contact as its velocity is not reduced .

So required velocity is the maximum velocity of the block while remaining in contact with the spring.

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If the Earth rotated more slowly about its axis, your apparent weight would
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 <span>If the Earth rotated more slowly about its axis, your apparent weight would 
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3 years ago
Describe a ball's motion as it rolls up a slanted
emmasim [6.3K]

The ball will decelerate as it moves upwards.

The magnitude of the ball's acceleration is 0.3 m/s² and it directed backwards.

The given parameters;

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As the ball rolls up the inclined plane, the velocity decreases and eventually becomes zero when the ball reaches the highest point of the plane.

Thus, the ball decelerate as it moves upwards.

The acceleration of the ball is calculate as;

a = \frac{v_f -v_0}{t} \\\\

<em>at the highest point on the incline plane, the final velocity </em>v_f<em> is zero</em>

a = \frac{0-1.25}{4.22} \\\\a = -0.3 \ m/s^2

Thus, the magnitude of the ball's acceleration is 0.3 m/s² and it directed backwards.

Learn more here:brainly.com/question/23860763

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3 years ago
Three small children of mas 20.0 kg, 24.0 kg, and 16.0 kg, respectively, hold hands, as
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hope this helps youuuuu

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Why do most amphibians return to the water to reproduce?
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