Sinker is a weight used by fishermen. A fisherman uses a sinker in the shape of a sphere with radius 0.750.75 cm. The sinker is made of lead, which has density 11.34gmcm311.34gmcm3. What is the mass of the sinker?

Mass m = 20.04 grams

Correct question;

Sinker is a weight used by fishermen. A fisherman uses a sinker in the shape of a sphere with radius 0.75 cm. The sinker is made of lead, which has density 11.34g/cm^3. What is the mass of the sinker?

Step-by-step explanation:

Mass of an object can be defined as

Mass m = density p × Volume V

Given;

Density of the sinker = 11.34g/cm^3

Radius of the sinker = 0.75 cm

And we know that the volume of a sphere is given as;

V = 4/3 × πr^3

Substituting r, we have;

V = 4/3 × π × 0.75^3

V = 1.767 cm^3

Then we can calculate mass as;

m = pV

m = 11.34×1.767

m = 20.03778 g

m = 20.04 grams

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