ramjand3062
04.06.2021 •
Physics
using conservation of energy, describe how adding friction affects quantity of the roller coasters PE and KE at point B
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Ответ:
Change in internal energy of the system is 160 J.
Explanation:
It is given that,
Heat added to the system, Q = 300 J
Work done by the system, W = 140 J
We need to find the change in internal energy of the system. It can be calculated using the first law of thermodynamics. Let
is the change in internal energy of the system.
So, the change in internal energy of the system is 160 Joules. Hence, the correct option is (b) "160 J".