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Serga [27]
3 years ago
5

what is the position of centre of curvature for concave and convex mirror show with the help of diagram if you can​

Physics
1 answer:
Anon25 [30]3 years ago
8 0

it is the point at infinity where it is at a distance from the curve equal to the radius of curvature lying on the normal vector. Sorry no diagram

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Where might you look on the internet to find good scientific information about illness
user100 [1]
It depends on what illness and what country you are in but Mayo Clinic and Johns Hopkins are good sources.
5 0
3 years ago
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A vector of magnitude 20 is added to a vector of magnitude 25. The magnitude of this sum. might be:. A. zero. B. 3. C. 12. D. 47
kiruha [24]
The correct answer among the choices provided is option C. The magnitude of the sum of 20 and 25 might be 12. Inequality triangle equation is used to determine if 12 is right.
<span>12+20 > 25 (correct)
12+25 > 20 (correct)
20+25 > 12 (correct)</span>
6 0
3 years ago
What has become an important alternative to Piagetian approaches?
Mice21 [21]

<u>Answer:</u>

<em>Due to the shortcomings in Piaget’s approach to cognitive development several other theories were put forward.</em>

<u>Explanation:</u>

Jean Piaget is the psychologist that offered explanations about cognitive development in children. There were several shortcomings in his theories and thus alternative theories about cognitive <em>development in children </em>were developed.

<em>Lev Vygotsky</em> proposed another explanation to children’s cognitive development. He strongly emphasized on the influence of culture on <em>children’s cognitive development</em>. He believes that it is through socio-cultural interactions development progresses.

He believed that individualized thoughts begin after these interactions. He take on <em>self-speech </em> was different from Piaget. Vygotsky considered self-speech as a guide to thinking while Piaget thought <em>self-speech  to be egocentric. </em>

7 0
4 years ago
Helppppppppppppppppppppppppp
andrew11 [14]

Answer:

value of x=35°

y=72.5°

hope it helps you

make me brainliest plz

6 0
3 years ago
Elephants are loaded into containers that are pulled up a ramp an inclined plane at 15 degrees to the ground .The container is h
tankabanditka [31]

Given:

Inclined at 15 degrees

Tension of 5000N

Mass of container 800kg

Required:

Mass of elephant

Solution:

F = mgcos(theta)

5000 = m (9.8m/s2)cos(15)

<span>M = 528.2kg</span>

8 0
3 years ago
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