Pls answer experts with an explanation - Physics - Laws Of Motion

Question

Pls answer experts with an explanation

Anshu Agrawal · Accepted Answer

Dear student,

<img alt="solution" src=
"https://haygot%20s3%20amazonaws%20com/questions/1040765_1112745_ans_57f6d693d1304bb2898ca2f68f474a9b%20png">
  From the relation F−μmg=ma        a=F−μmgm=129
4−0 3×10×9 810=10 m/s2

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