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Zarrin [17]
3 years ago
12

A hemisphere is __________ of the Earth.

Physics
1 answer:
grin007 [14]3 years ago
8 0
A- a hemisphere is one half of earth.
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A cat pushes a mouse horizontally on a frictionless floor with a net force of 1.0 N 1.0N1, point, 0, start text, N, end text for
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8 0
3 years ago
CISTU U
marusya05 [52]

solution:

radius of steel ball(r)=5cm=0.05m

density of ball =8000kgm

terminal velocity(v)=25m/s^2

density of air( d) =1.29 kgm

now

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density of ball= mass of ball/Volume of ball

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=6×3.14×eta×0.05×25

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or, 23.55× eta = 41.6

or, eta = 1.76

whete eta is the coefficient of viscosity.

5 0
2 years ago
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