TS EAMCET Medical 2018 May 2 Shift 1 Paper

Question : 98 of 160

Marks: +1, -0

Consider a ball of mass 100 g attached to one end of a spring (k= 800 N/m) and immersed in 0.5 kg water. Assume the complete system is in thermal equilibrium. The spring is now stretched to 20 cm and the mass is released so that it vibrates up and down.
Estimate the change in temperature of water before the vibrations stop.
(Specific heat of the material of the ball = 400 J/kg K Specific heat of water = 4200 J/kg K)

8.2 × 10−4 K
6.4 × 10−3 K
7.5 × 10−3 K
5.9 × 10−3 K

Validate

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