Question

TMU #17. ex.1

In an experiment where a 0.50- kg ball rolls down and up two inclined planes from an initial height of 1.0 m, the final change in the average energy per atom in the system is estimated to be 4.9 x 10^-26 J. as the number of atoms and molecules in the system was considered to be be 10²⁶ . By the end of the experiment, everything in the system is slightly warmer. How much warmer?

Answer 1