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2 years ago

What is kinematics?explain!thankyou~

Physics

2 answers:

alisha [4.7K]2 years ago

8 0

Answer:

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kinematics, branch of physics and a subdivision of classical mechanics concerned with the geometrically possible motion of a body or system of bodies without consideration of the forces involved.

goldenfox [79]2 years ago

7 0

kinematics can be defined as a sub-discipline in physics aimed at understanding the motion of objects without considering the forces that move them.

Classical mechanics refers to a physical theory that describes the motion of objects.

Kinematics can be considered a branch of classical mechanics that studies the motion of objects but without considering the forces that move them.

Kinematics describes the motion of objects and systems by using different types of information such as diagrams, numbers, equations and/or graphs.

In conclusion, kinematics is a sub-discipline in physics aimed at understanding the motion of objects without considering the forces that move them.

Learn more about kinematics here:

brainly.com/question/24486060

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Viktor [21]

Here we have perfectly inelastic collision. Perfectly inelastic collision is type of collision during which two objects collide, stay connected and momentum is conserved. Formula used for conservation of momentum is:
$m_{1} * v_{1} + m_{2} * v_{2} = m_{1} * v'_{1}+ m_{2} * v'_{2}$

In case of perfectly inelastic collision v'1 and v'2 are same.

We are given information:
m₁=0.5kg
m₂=0.8kg
v₁=3m/s
v₂=2m/s
v'₁=v'₂=x

0.5*3 + 0.8*2 = 0.5*x + 0.8*x
1.5 + 1.6 = 1.3x
3.1 = 1.3x
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3 years ago

Sohan said to Geeta I have done my work change the following sentence into indirect

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Answer:

Sohan told Geeta that i had done my work

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3 years ago

Calculate a rate of cooling down of air from 80 C to 5C Show calculation. Give an answer in cubic meters per minute and cfm.

antoniya [11.8K]

Explanation:

Given that,

Rate of cooling of air

Initial temperature= 80°C

Final temperature = 5°C

We need to calculate

Using newton's law of cooling

$\dfrac{dT}{dt}=c(T-T_{0})$

$\dfrac{dT}{dt}=c(\dfrac{T_{1}+T_{2}}{2}-T_{0})$

Where, $dT=T_{1}-T_{2}$

Here, $T =\dfrac{T_{1}+T_{2}}{2}$

$T_{0}$ = 25°C (surrounding temperature)

dt = 1 minute

$\dfrac{dT}{dt}=c(\dfrac{T_{1}+T_{2}}{2}-T_{0})$

Put the value into the formula

$\dfrac{80-5}{1}=c(\dfrac{85}{2}-25)$

$c=\dfrac{75}{17.5}$

$c=4.285\ cubic\ meter/minute$

Hence, This is the required answer.

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3 years ago

Monochromatic light of a given wavelength is incident on a metal surface. however, no photoelectrons are emitted. if electrons a

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If the object, ends up with a positive charge, then it is missing electrons. if it is missing electrons, then it must have been removed form the object during the rubbing process.

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3 years ago

Impact of Synthetic Materials Discussion

Wittaler [7]

With the below stated fact I think that the pros of using synthetic materials outweighs the cons.

Before we answer the question

If the pros of using synthetic materials outweigh the cons or otherwise, let us first establish the what a synthetic material is and its pros and cons

Synthetic material

Synthetic material is a material in which a substances are changed chemically to produce a material with different characteristics.

Types of Synthetic material

Plastic bag
Synthetic fiber/cloth
Artificial sweetener
Synthetic fuel
Aspirin

Pros of Synthetic materials

They are used in construction because of there strong bonding
They can be molded
They can be colored into any shade
They are cheap

Cons of Synthetic materials

Sometimes none degradable
They do not absorb water.
They are highly flammable
Melts easily

In conclusion

Although Synthetic materials has so very pressing disadvantages to human kind it is unrefusable the importance of Synthetic materials to the day to day live of all humans

Therefore, I think that the pros of using synthetic materials outweighs the cons

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7 0

3 years ago

What is kinematics?explain!thankyou~​

What is kinematics?explain!thankyou~