calculate the trmenal velocity of steel ball ball bearing of radus 0.25 cm when it fall through a tube felld with grcelim
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Answered by
0
Answer:
Given : σ=8000 kg/m
3
ρ=1330 kg/m
3
Radius of ball r=
2
d
=
2
0.2 cm
=0.1 cm=10
−3
m
Terminal velocity v=
9η
2gr
2
(σ−ρ)
Or v=
9×0.833
2×9.8×(10
−3
)
2
(8000−1330)
=1.74×10
−2
m/s=1.74 cm/s
Explanation:
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Answered by
0
Answer:
ANSWER
Given : σ=8000 kg/m
3
ρ=1330 kg/m
3
Radius of ball r=
2
d
=
2
0.2 cm
=0.1 cm=10
−3
m
Terminal velocity v=
9η
2gr
2
(σ−ρ)
Or v=
9×0.833
2×9.8×(10
−3
)
2
(8000−1330)
=1.74×10
−2
m/s=1.74 cm/s
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