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Vlada [557]
3 years ago
6

How do the echoes of the sounds of animals help them?

Physics
2 answers:
anastassius [24]3 years ago
7 0
Animals like bats and whales use something called echolocation (sounds or echoes that travel to the other animal) these echoes can let one animal let another one know that danger is near or that food is nearby etc it's like a telephone line
andre [41]3 years ago
4 0

Answer:

Echolocating animals emit calls out to the environment and listen to the echoes of those calls that return from various objects near them. They use these echoes to locate and identify the objects. Echolocation is used for navigation, foraging, and hunting in various environments.

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What is not an example of Absorption? (Physics)
amm1812

When a light wave strikes an object, it can be absorbed, reflected, or refracted by the object. All objects have a degree of reflection and absorption. ... In the natural world, light can also be transmitted by an object. That is, light can pass through an object with no effect (an x-ray, for example).

5 0
3 years ago
Give the reason of evidence and claim.
Sliva [168]

Answer:

it shows a black screen

Explanation:

6 0
3 years ago
Two gliders collide on an air track moving in from opposite directions, and they bounce back. The masses of the gliders are 0.20
timurjin [86]

Answer:

so initial momentum is 0.22kgm/s

Explanation:

m1=0.20kg

m2=0.30kg

initial velocity of m1=u1=0.50m/s

initial velocity of m2=u2=0.40m/s

total momentum of the system before collision

Pi=m1u1+m2u2

Pi=0.20kg×0.50m/s+0.30kg×0.40m/s

Pi=0.1kgm/s+0.12kgm/s

Pi=0.22kgm/s

3 0
3 years ago
The environmental and economic benefits of hydroelectricity, giving examples from the case studies and
vredina [299]

Answer:

Review the explanation.

Explanation:

Hydropower does not generate CO2 emissions, therefore it is not a factor in the generation of global warming. The initial investment of this type of projects in construction is large but this investment can be recovered in the future, since the system guarantees reliability in the supply of energy. It generates employment as technical and engineering personnel are needed for the operation of each of the equipment that is part of the hydroelectric plant.

As for the defects, is that most hydropower should be located near rivers, therefore to access the construction of this project must cut trees and remove animals from their natural habitat.

3 0
3 years ago
Read 2 more answers
First, you must find the wavelength of the laser. You shine the laser into the interferometer and then move one of the mirrors u
Katyanochek1 [597]

Answer:

316.4 nm

Explanation:

wavelength λ of the laser = (the absolute value of the difference between the initial position and final position after the mirror has been moved ) / 100.0 fringes = 0.03164 mm ÷ 1000 = 0.00003164 m / 100 = 0.0000003164 m = 316.4 nm

5 0
3 years ago
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