एक ठोस लोहे के घनाभ की विमाएँ 4-4 मी. x 2-6 मी. x 1.0 मी. हैं । इसे पिघलाकर
30 सेमी आंतरिक त्रिज्या और 5 सेमी मोटाई का एक खोखला बेलनाकार पाइप बनाया गया
है । पाइप की लंबाई ज्ञात कीजिए ।
The dimensions of a solid iron cuboid are 4-4 m x 2-6 m x 1-0 m. It is
melted and recast into a hollow cylindrical pipe of 30 cm inner radius and
thickness 5 cm. Find the length of the pipe.
Answers
Answered by
0
Answer:
29.71 metre
Step-by-step explanation:
Volume of cuboid=l*b*h
=4.4*2.6*1.0
=11.44m³
radius=30cm
thickness=5cm
total radius=35cm
=0.35m
volume of cuboid=volume of cylinder
11.44=πr²h
11.44=22*0.35*0.35*h
(11.44*7)/22*0.35*0.35=h
80.08/2.695=h
29.71m=h
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