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Sindrei [870]
3 years ago
11

In Hooke's law, what does k represent?

Physics
2 answers:
Gnom [1K]3 years ago
7 0

C. The stiffness of the spring

kicyunya [14]3 years ago
3 0

For Plato, K represents the stiffness of the spring. Hope this helps!

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Match each property with the benefit it provides to people on Earth. A. magnetic field filters cancer-causing rays from the sun
vodomira [7]

The correct matching are the following:

  • A. magnetic field: prevents charged particles from the sun from reaching the surface
  • B. ozone: filters cancer-causing rays from the sun
  • C. carbon dioxide: retains heat energy from the sun in the atmosphere
  • D. water in oceans, lakes, rivers and streams: moderates changes in temperature on the surface

The electromagnetic field of the Earth protects us from solar wind by deflecting it. Without it, the charged particles would strip away our ozone, which will lead to the end of life on Earth.

The ozone is a layer in the stratosphere that filters the suns rays. It filters the UV rays by absorbing it. This prevents the UV rays from damaging the surface of the Earth.

Carbon dioxide retains heat in the atmosphere, which creates a greenhouse effect. It is beneficial for us, but because human activity like industrial activities emit so much carbon in the atmosphere that it ends up being harmful.

Bodies of water found on Earth regulate the temperature of the Earth through ocean currents. It brings in both cold and warm air to land which also affect precipitation.

Long explanation, I know, but maybe this will help you out in the long run. Good Luck!

3 0
3 years ago
Read 2 more answers
Gravity is _____ force between objects that are moving closer to one another.
pishuonlain [190]

Gravity is a pair of forces of attraction between every
two objects. Period !

It doesn't matter whether they're moving together, moving apart,
moving gracefully in synchrony, or at rest.  The gravitational forces
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4 0
3 years ago
What is the define of direction in forces in science
Alekssandra [29.7K]

Answer:

The weight acting upon a object

Explanation:

3 0
2 years ago
An object is dropped from a bridge. A second object is thrown downwards 1.0 s later. They both reach the water 20 m below at the
Lerok [7]
Answer:

Explanation:
Kinematics equation for first Object:

but:
The initial velocity is zero

it reach the water at in instant, t1, y(t)=0:


Kinematics equation for the second Object:
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but:

it reach the water at in instant, t2, y(t)=0. If the second object is thrown 1s later, t2=t1-1=1.02s


The velocity is negative, because the object is thrown downwards
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3 years ago
What is a oxidation number
Scilla [17]
Oxidation number is the charge.
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3 years ago
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