7. jezabelle was applying her makeup when she drove into albuquerque migns busy
parking lot last friday morning. unaware that isabella was stopped in her fare
feet ahead, jezabelle rear-ended isabella's car. jezabelle's 1300-kg car was moving
at 11 m/s and stopped in 0.14 seconds. determine the magnitude of the force
experienced by jezabelle's car.
a. 100,000 n
b. 10,000 n
c. 9,000 n
d. 100 n

Refrigerant-134a flows through a carnot heat pump cycle at 0.5 kg/s. it is known that the maximum absolute temperature in the cycle is 1.1 times the minimum absolute temperature, and the net power input to the cycle is 2.5 kw. if the refrigerant changes from a saturated vapor to a saturated liquid during the heat rejection process, determine the maximum magnitude of the enthalpy of vaporization for this process in kj/kg (with 3 significant figures).