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iris [78.8K]
3 years ago
8

Compare and contrast the front limb bones of a human and a bat.

Physics
2 answers:
shtirl [24]3 years ago
7 0

Answer:

they are very simular in arm structure.

Explanation:

riadik2000 [5.3K]3 years ago
5 0

Answer:

From the outside human arms, bird wings, and bats wings look very different. Humans are covered in skin, birds are covered in feathers, and bats are covered in hair. But on the inside there are many similarities among human, bird, and bat forearms. Did you know that humans, birds, and bats have the exact same types of bones in their forearm? These organisms share the same forearm bones because they all evolved from a common ancestor.

Human, bird, and bat forearm bones include the humerus, ulna, radius, carpals, metacarpals, and phalanges.

~i hope this helps~

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3 years ago
Electrons in a particle beam each have a kinetic energy of 4.0 × 10 −17 J. What is the magnitude of the electric field that will
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Answer:

-833.3 N/C

Explanation:

Kinetic energy, K, in terms of electric field, E, is given as:

K = qEr

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The electeic field needed to stop the electrons must be equal in magnitude to the electric field carried by these electrons:

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The negative sign means that the electric field must be in a direction opposite to the motion of the electrons.

3 0
3 years ago
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