Breaking tension of the string is 60 N.A body of mass 0.3kg is attached to it and rotate in a circle of radius 1m what will be minimum period of revolution before string breaksv
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Answer:
10m/s
Explanation:
TheratiotothemamimumT
2
totheminimumtensionT
1
is−
T
1
T
2
=4
T
2
=4T
1
Nowthedifferencebetweenthetwo6mg;
Hencewehave
T
2
−T
1
=6mg
∴4T
1
−T
1
=6mg
3T
1
=6mg
T
1
=2mg
Nowtensionatthetopofthecircleis−
T
1+mg
=
r
mv
1
2
=
L
mv
1
2
2mg+mg=
3
10
mv
1
2
v
1
2
=3g
3
10
=10g
v
1
=
10g
=
10×10
=10m/s
HOPE THAT IT WILL HELP YOU THEN MARK ME BRAINLIEST PLEASE
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