Magc ults auletci dulun!
2. a train departs from its station at a constant acceleration of 5 m/s2. what is the speed of
the train at the end of 20s?

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.