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jeyben [28]
3 years ago
5

Why do you think the collapse of ecosystem was unable to recover?

Physics
1 answer:
inessss [21]3 years ago
8 0

Answer: When ecosystems collapse, they rapidly lose their structure and function, with dramatic changes to their size or extent, or the species that comprise them. These losses tend to homogenize and simplify the ecosystem – fewer species, fewer habitats, and fewer connections between the two. This is why when an ecosystem failure is fatal, it's unable to recover

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A pendulum is in a spacecraft to measure
Tcecarenko [31]

Answer:

For small angles (✓ < 30 degrees), the period of a simple pendulum4can be approximated by: 3A radian is an angle measure based upon the circumference of a circle C =2⇡r where r is the radius of the circle. A complete circle (360 ) is said to have 2⇡ radians. Therefore, a 1/4 circle (90 )is⇡/2 radians.

Explanation:

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3 years ago
Energy can be changed from one form to another. Which terms can be used to describe these changes? Check all
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I hope this helped

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2 years ago
Two rings of radius 5 cm are 15 cm apart and concentric with a common horizontal -axis. The ring on the left carries a uniformly
Lina20 [59]

Answer:

Explanation:

Radius of ring r = .05 m

Electric field due to a uniformly charged ring

E = k Q x  / ( x² + r² )³/²   ;  Q is charge on the ring , x is distance of point  from the center of the ring and r is radius of the ring

electric field due to first ring at middle point or at x = 7.5 cm

E = 9 x 10⁹ x 33 x 10⁻⁹ x 7.5 x 10⁻² / ( 7.5² + 5² )³/² x 10⁻³

= 9 x 10⁹ x 33 x 10⁻⁹ x 7.5  / ( 7.5² + 5² )³/² x 10⁻¹

= 9 x 10⁹ x 33 x 10⁻⁹ x 7.5 / 73.23

=  30.41 N/C

The same field will be created by the other ring at the middle point because charge on the ring is same in magnitude . Due to negative charge on the second ring , field due to both the rings will align in the same direction.

Total field = 2 x 30.41

= 60.82 N/C

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3 years ago
Waves carry ______ from one place to another?<br><br> energy<br> crests<br> troughts<br> wavelengths
Leni [432]

Answer:

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Waves can travel through medium and can be without medium.

In electromagnetic waves the energy travels through vibration of electric field and magnetic field while in sound waves energy is transferred through vibration of particles through which sound waves are travelling or though vibration of air particles.  

7 0
3 years ago
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