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2 years ago

Need an answer pls!!! will give brainliest

Physics

2 answers:

solmaris [256]2 years ago

8 0

Answer:

i think your answer is C

Explanation:

vitfil [10]2 years ago

5 0

Answer:

the correct answer is D

I would appreciate if my answer is chosen as a brainliest answer

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3 years ago

Read 2 more answers

A 4kg block slides freely across a rough surface such that the block slows down with an acceleration of −1.25 m/s2 . What is the

Sophie [7]

Answer:

The coefficient of kinetic friction between the block and the surface is 0.127.

Explanation:

Given that,

The mass of a block, m = 4 kg

The acceleration of the block, a = -1.25 m/s²

We need to find the coefficient of kinetic friction between the block and the surface. The force of friction is given by :

$F=\mu mg\\\\ma=\mu mg\\\\\mu=\dfrac{a}{g}\\\\\mu=\dfrac{1.25}{9.8}\\\\\mu=0.127$

So, the coefficient of kinetic friction between the block and the surface is 0.127.

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