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A cylindrical roller made up of iron is ...

A cylindrical roller made up of iron is 1.2m long. Its internal radius is 24cm and thickness of the iron sheet used in making the roller is15 cm. What is mass the(in kg ) of the roller, if 1 `cm^3` of the iron has 8 g mass?
लोहे से बना एक बेलनाकार रोलर 1.2 मीटर लंबा है। इसकी आंतरिक त्रिज्या 24 सेमी है और रोलर बनाने में उपयोग की जाने वाली लोहे की शीट की मोटाई 15 सेमी है। रोलर का वजन (किलो में क्या है, यदि 1 `cm^3` लोहे का द्रव्यमान 8 ग्राम है ?

A

`892.8pi`

B

`907.2pi`

C

`846.72pi`

D

`845.75pi`

Text Solution

Verified by Experts

The correct Answer is:
B
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