The approximate mass of the spherical weight is 51 pounds
To answer the question, we need to know what the mass of the sphere is
<h3>Mass of the sphere</h3>
The mass of the sphere m = ρV where
- ρ = density of steel = 0.284 lb/in³ and
- V = volume of sphere = 4πr³/3 where
- r = radius of sphere = 3.5 in
So, m = ρV
= ρ4πr³/3
Substituting the values of the variables into the equation, we have
m = ρ4πr³/3
= 0.284 lb/in³ × 4π(3.5 in)³/3
= 0.284 lb/in³ × 4π × 42.875 in³/3
= 48.706π lb/3
= 153.014 lb/3
= 51 lb
The approximate mass of the spherical weight is 51 pounds
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Square roots are rational and it equals 5 and 5 is rational
Answer:
A = 50.24 cm
Step-by-step explanation:
Area formula of a circle:
A = π r²
diameter- r+r
which means that your diameter(8) divided by 2 = 4
r of circle= 4
A= 3.14(4²)
A = 3.14(16)
A = 50.24 cm
Answer:
it either x = 10 or x = 1
Step-by-step explanation:
