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pentagon [3]
3 years ago
14

why is it important to create pictorial and physical models before trying to solve an equation, solving a physics problem

Physics
2 answers:
Romashka [77]3 years ago
5 0
Many fundamental laws of physics and chemistry can be formulated when doing this.
amm18123 years ago
3 0

The pictorial and physical model help in many ways when we solve physics problems.

A pictorial representation of data refers to the presentation of data in different symbols or pictures of different objects.It gives the idea of deeper understanding of the problem. It makes the data clear and useful,and helps in comparing it with different parameters.

A physics problem is not always full with digits and equations.Sometimes a problem require higher understanding .Physical model plays a crucial role in this situation.It eradicates all the ambiguity and provides the idea to solve the problems pragmatically.

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What is an example of light energy converted into heat energy?​
Andreyy89

Answer:

Sun

Explanation:

Sun Can Give Us Light Energy And It convert Into Heat Energy

3 0
3 years ago
Why is the recruitment and selection of staff the concern of all managers in an organization? ​
leva [86]

Answer:

Explanation:

It is a concern to managers in an organization because it is important for the organization to get the number and quality of staffs needed to attain the goals and objectives of the organization.

Selection and recruitment is also important in order to ensure the continuity of the company , it will also fulfills the organisations job requirements and also this provide a pool of employees in which the management will have to choose the right or best candidates for the job position.

7 0
3 years ago
The transfer of energy in liquids and gases as groups of molecules move in currents is
AlexFokin [52]
Convection is your answer
8 0
3 years ago
The graph shows projected changes in the populations of the world.
malfutka [58]

Answer: C. Africa

Explanation:

The data given on the graph shows that:

Asia will grow from around 1,300 million to 5,000 million in 2050 which is an increase of:

= 5,000 /1,300 = 3.84 times

Europe will decrease over that period.

Africa will go from around 300 million to 2,000 million which is an increase of:

= 2,000 / 300

= 6.67 times

Mexico

, Central America, Caribbean Islands:

= 900 / 120

= 7.5 times

United States,  Canada, and Greenland:

= 400/120

= 3.33

Oceania:

= 50 / 13

= 3.85

From the options give, Africa will see the greatest increase at 6.67 times its population in 1950.

3 0
3 years ago
Read 2 more answers
If Earth had twice the mass it has now, how would the gravitational force between it and the Sun change?
zhenek [66]

Answer:

a)The gravitational force would be twice as much as it is now

Explanation:

If the earth had twice its mass as it is now, the gravitational force between the sun and the earth would be twice as much as it is now.

According to Newton's law of universal gravitation "the gravitational force of attraction between bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them".

       F_{g}   = \frac{G m _{e} m _{s}  }{r^{2} }

G is the universal gravitation constant

m is the mass

r is the distance

let mass of sun  = s

     mass of earth  = e

 new mass of sun  = s

 new mass of sun  = 2e

input variables;

    F  = \frac{Gx e x s}{r^{2} }    ------ i

   F = \frac{G  x s x 2e}{r^{2} }    ------- ii

From the second equation;

      2F  = \frac{Gx e x s}{r^{2} }

      2F  = F

Therefore, the force will double.

7 0
3 years ago
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