IdkHowToDoMath
28.12.2020 •
Physics
If the sled is also being acted on by a constant kinetic friction force of 260 N and it started from rest, what is the final speed of the sled
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Ответ:
Complete Question
The complete question is shown on the first uploaded image
a
b
Explanation:
From the question we are said that
The mass of the shed is
The pulling force is
The angle is
The distance covered is
The kinetic force is
Generally the work done is mathematically represented as
=>
=>
Generally according to the work-energy theorem
Here is total work done which is mathematically represented as
=>
=>
Also is the change in kinetic energy which is mathematically represented as
Here u is the initial velocity of the shed when at rest
=>
So
=>
=>
Ответ:
answer:
water enters the atmosphere between evaporation and condensation
explanation: