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Licemer1 [7]
3 years ago
10

1 what is global climate change. 2 consequences and the way forward​

Physics
1 answer:
muminat3 years ago
3 0

Answer:

Global climate change is an average long-term changes over the entire Earth in temperature, weather etc.

Explanation:

  • Climate change is the variation in climate than an average situation. This may include the change in rainfall patterns or weather patterns.
  • This change is due to various reasons and has been affecting across the globe.
  • Global warming is the main effect of climate change. Due to global warming, the temperature of the earth is constantly increasing.
  • Rising sea levels, shrinking mountain glaciers, variation in the season's timing, etc are the consequences of global climate change.
  • Noe the time has come that everyone should be dead serious to this matter. We should lessen the use of toxic chemicals and burning fuels. The tiny contribution from every individual sums up as a great help to reduce the problem.
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A mass free to vibrate on a level, frictionless surface at the end of a horizontal spring is pulled 35 cm from its equilibrium p
saul85 [17]

Answer:

0.67 s

Explanation:

This is a simple harmonic motion (SHM).

The displacement, x, of an SHM is given by

x = A\cos(\omega t)

A is the amplitude and \omega is the angular frequency.

We could use a sine function, in which case we will include a phase angle, to indicate that the oscillation began from a non-equilibrium point. We are using the cosine function for this particular case because the oscillation began from an extreme end, which is one-quarter of a single oscillation, when measured from the equilibrium point. One-quarter of an oscillation corresponds to a phase angle of 90° or \frac{\pi}{4} radian.

From trigonometry, \sin A =\cos B if A and B are complementary.

At t = 0, x = 3.5

3.5 = A\cos(\omega \times0)

A =3.5

So

x = 3.5\cos(\omega t)

At t = 0.12, x = 1.5

1.5 = 3.5\cos(0.12\omega)

\cos(0.12\omega)=\dfrac{1.5}{3.5}=0.4286

0.12\omega =\cos^{-1}0.4286

0.12\omega = 1.13

\omega = 9.4

The period, T, is related to \omega by

T = \dfrac{2\pi}{\omega} = \dfrac{2\times3.14}{9.4}=0.67

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Why might a scientist repeat an experiment if she did not make a mistake in the first one?
iren2701 [21]

Answer:

B

Explanation:

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The answer to your question is 50 miles per hour
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Use the drop-down menus to complete each sentence.
qaws [65]

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