Find the density of ball of mass 7700g whose radius is 7cm.
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We know density=mass/volume
Given,
mass=7700g
Now we have to calculate the volume of the ball.
The ball is a sphere.
Volume=
=4/3*22/7*7*7*7
=4/3*1078cm ³
density=mass/volume
=7700g/(4/3*1078cm³)
=7700*3/4*1078 g/cm³
=23100/4312
=5.3571 g/cc approximately
This is the required answer.
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