An object weighs 10 lbf at a location where the acceleration of gravity is 30. 0f t/s2. Deter-mine its mass, in lb.

Avoltage source vs = 10 v is in series with a resistor of 10 kohm. if the source transformation theorem is applied, what will the value of the current source be in ma ?

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.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2