6. A Mk-83 laser guided bomb is being used to attack an SA-6 mobile SAM site. The Mk-83 warhead casing weight is 250 kg and is "scored" to produce 10,000 fragments. The SAM site can withstand at least 10,000 Joules of energy before fragment penetration. What fragment velocity is required to achieve fragment penetration against the SA-6 mobile target?

A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.