What is an example of a conceptual model in science?

2 answers:

7 0

A conceptual model is a representation of a system, made of the composition of concepts which are used to help people know, understand, or simulate a subject the model represents.

hope this helps you alot!

jarptica [38.1K]3 years ago

3 0

Answer: A mental image of gas molecule as tiny balls

Explanation:

APEX

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A mailman performed 296 J of work lifting a box of 1.6 m. How much force did the mailman use?

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185 newtons because (W=Fd so W/d=F)296/1.6=185

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3 years ago

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skad [1K]

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2 years ago

Calculate the change in length of a Pyrex glass dish (Coefficient of linear expansion for Pyrex is 3 x 10^-6 /C) that is 0.3 met

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Answer:

0.000225 m

Explanation:

Coefficient of linear expansion = $\alpha_L=3\times 10^{-6} /C$

Length = 0.3 meters

ΔT = Change in temperature = 250 °C

Linear expansion

$\frac{\Delta L}{L} = \alpha_L\Delta T\\\Rightarrow \Delta L=\alpha_L\Delta T\times L\\\Rightarrow \Delta L=3\times 10^{-6}\times 0.3\times 250=0.000225\ m$