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Mariulka [41]
2 years ago
7

In Converging and Diverging lenses all real images are

Physics
2 answers:
AlladinOne [14]2 years ago
5 0
B.......................
AnnZ [28]2 years ago
4 0
Answer:

B

Hope it helps
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A pure substance that is made up of only one kind of atom is called an element
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A(n) _____ is a gap in the geologic record where some rock layers have been lost because of erosion.
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3 years ago
A 10 kg package is delivered to your house.
kolbaska11 [484]
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2 years ago
C) An identical spring is pulled with a force or 75 N The elastie limit of the spring is 72N
tiny-mole [99]

Answer:

Spring cannot return to its original, since a part of its deformation is <u>plastic</u>, not <u>elastic</u>.

Explanation:

Physically speaking, stress is equal to the axial force divided by effective transversal area of spring. In addition, springs have usually a linear relationship between stress and strain in <u>elastic region</u>, since they are made of ductile materials. Axial force is directly proportional to axial stress, which is also directly proportional to axial strain.

Then, if force is greater than force associated with elastic limit of the spring, then spring cannot return to its original, since a part of its deformation is <u>plastic</u>, not <u>elastic</u>.

8 0
3 years ago
A baseball is thrown through the air. It's initial velocity, described as a vector, is → v ( t = 0 ) = 17.1 ˆ i + 14.7 ˆ j m / s
ludmilkaskok [199]

Answer:

 a = - 9.8 j ^   m/s²

Explanation:

This is a projectile launch problem, they give us the initial velocity in the two components

         v₀ₓ = 17.1 m / s

         v_{oy} = 14.7 m / s

They indicate that the only acceleration that exists is the acceleration of gravity, which acts in the direction towards the center of the Earth, in general in a coordinate system it coincides with the direction of the y axis.

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           a = - 9.8 j ^  m /s²

6 0
2 years ago
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