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Dmitrij [34]
3 years ago
10

Convert 250 mm into km

Physics
1 answer:
aliina [53]3 years ago
8 0

Answer:

2.5 meters or 2.5/1000 of a kilometer

a.k.a 1/400 of a kilometer

Explanation:

big math also

brainly please for your thanks

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Answer:

the angular velocity of the carousel after the child has started running =

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Explanation:

Given that

the mass of the child = m

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change in time = \delta \ t

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where

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∝ = \frac{2F}{mR}           ( expression for angular  angular acceleration)

The first equation of motion of rotating wheel can be expressed as :

\omega = \omega_0  + \alpha  \delta t

where ;

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Then;

\omega = 0+ \frac{2F}{mR} \delta t

\omega =  \frac{2F}{mR} \delta t

 

∴ the angular velocity of the carousel after the child has started running =

\frac{2F}{mR} \delta t

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