Question

Calculate the weight of steel ball whose diameter is 21 cm and density is 7.8g/cc answer.

Answer 1

Answer:

use maths and you will find the answer as 343.2 grams.mark as brainliest

Explanation:

Answer 2

Answer:

1.016 kg = 1016 gm

Explanation:

Given:

Dimensions of ball - Diameter = 21 cm => Radius = 11.5cm

Volume of ball = 4/3πr³

                        =  4/3*3.14*(11.5)³ = 7,927cm³

Mass = volume/density = 7927/7.8 = 1016 gm = 1.016 kg