Sasha sits on a horse on a carousel 3.5 m from the center of the circle. She makes a revolution once every 8.2 seconds. What is Sasha's tangential speed?
O 0.9 m/s
O 1.3 m/s
O 2.7 m/s

Which accounts for an increase in the temperature of a gas that is kept a constant volume

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.

The energy equivalent of the rest mass of an electron is