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Nataly [62]
3 years ago
13

Hi

Physics
2 answers:
Lilit [14]3 years ago
8 0
Endoskeleton- an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.

Exoskeleton- a rigid external covering for the body in some invertebrates animals, especially Arthropods, providing both support and protection.
shutvik [7]3 years ago
6 0

Answer:

An endoskeleton is formed on the inside of an animal's body, while an exoskeleton is formed on the outside of an animal's body. ... An endoskeleton can support a large body size and is often made of bone. An exoskeleton cannot support a large body size and is often made of chitin or minerals.

Explanation:

endoskeleton - It is an internal skeleton present inside the body of a living organism, e.g. a bony or a cartilaginous skeleton of vertebrates.

exoskeleton - The endoskeleton mainly comprises bones and cartilage

PLS MARK BRAINLIEST!

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A calcium-40 ion has a positive charge that is double the charge of a proton, and a mass of 6.64 ✕ 10−26 kg. At a particular ins
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Radar uses radio waves of a wavelength of 2.9 m . The time interval for one radiation pulse is 100 times larger than the time of
Mandarinka [93]

Answer:

145 m

Explanation:

Given:

Wavelength (λ) = 2.9 m  

we know,

c = f × λ  

where,

c = speed of light ; 3.0 x 10⁸ m/s

f = frequency  

thus,

f=\frac{c}{\lambda}

substituting the values in the equation we get,

f=\frac{3.0\times 10^8 m/s}{2.9m}

f = 1.03 x 10⁸Hz  

Now,

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or

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thus,

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Now,

For radar to detect the object the pulse must hit the object and come back to the detector.

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