At 40°C, a brass wire of 1 mm radius is hung from the ceiling. A small mass M is hung from the free end of the wire. When the wire is cooled down from 40°C to 20°C, it regains its original length of 0.2 m. The value of M is close to [Coefficient of linear expansion and Young's modulus of brass are 10¯5/°℃ and 10¹¹ N/m² respectively, g = 10 ms ²] (b) 0.5 kg (c) 1.5 kg (d) 0.9 kg (a) 9 kg
At 40°C, a brass wire of 1 mm radius is hung from the ceiling. A small mass M is hung from the free end of the wire. When the wire is cooled down from 40°C to 20°C, it regains its original length of 0.2 m. The value of M is close to [Coefficient of linear expansion and Young's modulus of brass are 10¯5/°℃ and 10¹¹ N/m² respectively, g = 10 ms ²] (b) 0.5 kg (c) 1.5 kg (d) 0.9 kg (a) 9 kg
Related questions
Question
![At 40°C, a brass wire of 1 mm radius is hung from the ceiling.
A small mass M is hung from the free end of the wire. When
the wire is cooled down from 40°C to 20°C, it regains its
original length of 0.2 m. The value of M is close to
[Coefficient of linear expansion and Young's modulus of
brass are 10-5/°C and 10¹1 N/m² respectively, g = 10 ms 2]
(b) 0.5 kg (c) 1.5 kg
(d) 0.9 kg
(a) 9 kg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc65476a7-9777-4565-8aed-f33c17069187%2Fa544949b-e51b-41d2-9a4c-e4bb5178fcef%2F9pupiw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:At 40°C, a brass wire of 1 mm radius is hung from the ceiling.
A small mass M is hung from the free end of the wire. When
the wire is cooled down from 40°C to 20°C, it regains its
original length of 0.2 m. The value of M is close to
[Coefficient of linear expansion and Young's modulus of
brass are 10-5/°C and 10¹1 N/m² respectively, g = 10 ms 2]
(b) 0.5 kg (c) 1.5 kg
(d) 0.9 kg
(a) 9 kg
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
