(15 points) a high-velocity 15-g bullet is shot vertically into a 2-kg block. the block lifts 0.8m straight upward. the bullet penetrates the block and becomes embedded in the block within a time interval of 0.0010 s. what is the velocity of the bullet when it hits the block?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87