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28.0 kg

Question

A 28.0-kg block is connected to an empty 3.00-kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.41 and the coefficient of kinetic friction between the table and the block is 0.30. Sand is gradually added to the bucket until the system just begins to move. Ignore mass of cord.

Calculate the mass of sand added to the bucket?

Calculate the acceleration of the system?

 

 

28.0 kg
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28.0 kg

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check_circleAnswer
Step 1
In for mation
Given
M28kg
of
bucket m 3 k
empty
mass
Hs
O3
HK
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In for mation Given M28kg of bucket m 3 k empty mass Hs O3 HK

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Step 2
Asby
T
Bleck stacts mout ng tohen T- HsN
Equation
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Asby T Bleck stacts mout ng tohen T- HsN Equation

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Step 3
be mass df sand added to bucket, 9hee body diagram
Let m
obuctet is,
Backet staxcts moving when,
(3tm)
(m+3)g= T
4rom Eapation T- Hs N
(m43)7
Cm+3)3= HN
(n+3)3HM
Cat)(o4)
m 8.48
. 8-481
Mass of sand added to bucket m
help_outline

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be mass df sand added to bucket, 9hee body diagram Let m obuctet is, Backet staxcts moving when, (3tm) (m+3)g= T 4rom Eapation T- Hs N (m43)7 Cm+3)3= HN (n+3)3HM Cat)(o4) m 8.48 . 8-481 Mass of sand added to bucket m

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Tagged in

Science

Physics

Friction

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