with what minimum acceleration can a fire man slide down a rope while breaking strenth of rope is2/3of the weight?
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heya.....
Fire man pulls the rope in downward direction so, g is positive.
Total net force acting :
T=mg-ma
T=mg-2/3(mg)
Since tension in the rope is ma
ma=mg-2/3(mg)
ma=m[3g-2g)/3a
=g/3
∴ minimum acceleration he should slide down is g/3
tysm...#gozmit
Fire man pulls the rope in downward direction so, g is positive.
Total net force acting :
T=mg-ma
T=mg-2/3(mg)
Since tension in the rope is ma
ma=mg-2/3(mg)
ma=m[3g-2g)/3a
=g/3
∴ minimum acceleration he should slide down is g/3
tysm...#gozmit
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1
Answer:
is this the same to you have to give him a little pouch for the
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