36 m3/s of air enters a combustion chamber of a jet engine at a velocity of 180 m/s at -55 °C and 40 kPa. The air leaves the chamber at 1,036 m/s at 274 °C. Determine the fuel (in kg) consumed during a 30 minute flight. Assume that changes in air mass flow rate through the chamber are not significant and LaTeX: \Delta h\cong C_P\Delta T. Take the air gas constant to be 0.287 kPa. m3/kg. K , the specific heat of air to be 1 kJ/(kgK) and the heating value of the fuel to be 50,963 kJ/kg.

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)