kcameronanderso
16.02.2022 •
Physics
The linear expansivity of a material of cube is 5×10^-6k^-1 of a cube if the length of each size is 12cm find the area of the face of the cube and the volume of the cube find the temperature which is raised to 30k
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Ответ:
Correct Option B
Explanation
V.R = 1sinθ=1sin30=21sinθ=1sin30=2
M.A = E×V.R100=50×2100=1E×V.R100=50×2100=1
Effort = loadM.A=1201=120N