A solid iron rectangular block of dimensions 4.4m, 2.6m and 1m is cast into a hollow cylindrical pipe of internal radius 30cm and thickness 5cm. Find the length of the pipe.
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Internal radius, r = 30 cm Thickness, w = 5 cm
External radius, R = 30 + 5 = 35 cm
Here ,
volume of cuboid = volume of hollow
cylinder 440 × 260 ×100 = π(R2 – r2)h ⇒
440 × 260 × 100 = π(352 – 302)h
⇒440 × 260 × 100 = π(325)h ∴
h = 11200 cm = 112 m
External radius, R = 30 + 5 = 35 cm
Here ,
volume of cuboid = volume of hollow
cylinder 440 × 260 ×100 = π(R2 – r2)h ⇒
440 × 260 × 100 = π(352 – 302)h
⇒440 × 260 × 100 = π(325)h ∴
h = 11200 cm = 112 m
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Answer:
The answer is 112m . Sorry I couldn't show the explanation
Step-by-step explanation:
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