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atroni [7]
3 years ago
10

If plates are always in motion, why aren't we always having to redraw maps?

Physics
2 answers:
Marysya12 [62]3 years ago
8 0

plates move very slow

Anna007 [38]3 years ago
8 0

Answer:

the last time we changed the maps was on December 12 ,2017 and the plates only ever move barely a millimeter a year  

Explanation: not needed. The explanation is in the answer

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NeTakaya

<u>Note that</u>:

The gravitational potential energy = mgh

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Then, we can increase the gravitational potential energy by increasing the mass or the height from the earth surface

<u>In our question</u>, we can increase the gravitational potential energy by

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2 years ago
How are science and technology the same
Ilia_Sergeevich [38]

Answer:

Science is the study of the natural world by collecting data through a systematic process called the scientific method. And technology is where we apply science to create devices that can solve problems and do tasks. Technology is literally the application of science

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3 years ago
For main sequence stars what tends to happen to the absolute brightness of a star as the temperature rises? How do you know?
professor190 [17]

With the increase in the temperature of the star, the brightness of the stars will also increase.

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Help plzzz!!! I only have 10 minutes to turn in
Lostsunrise [7]
  • The mechanic did 5406 Joules of work pushing the car.

That's the energy he put into the car.  When he stops pushing, all the energy he put into the car is now the car's kinetic energy.

  • Kinetic energy = (1/2) (mass) (speed²)

And there we have it

  • The car's mass is 3,600 kg.
  • Its speed is 'v' m/s .
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(1/2) (3600 kg) (v²) = 5406 joules

1800 kg (v²) = 5406 joules

v² = (5406 joules) / (1800 kg)

v² = (5406/1800) (joules/kg)

= = = = = This section is just to work out the units of the answer:

  • v² = (5406/1800) (Newton-meter/kg)
  • v² = (5406/1800) (kg-m²/s²  /  kg)
  • v² = (5406/1800)  (m²/s²)

= = = = =

v = √(5406/1800)  m/s

<em>v = 1.733 m/s</em>

4 0
3 years ago
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Oksana_A [137]

Answer:

<em>The change in momentum of the car is 3575 Kg.m/s</em>

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The impulse (J) experienced by the object equals the change in momentum of the object (Δp).

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J = Δp

The impulse is calculated as

J = F.t

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The car hits a wall with a force of F=6500 N and stops in 0.55 s. Thus, the impulse is:

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The change in momentum of the car is:

\Delta p= J = 3575\ Kg.m/s

The change in momentum of the car is 3575 Kg.m/s

5 0
2 years ago
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