Air enters the compressor of a gas-turbine plant at ambient conditions of 100 kpa and 25°c with a low velocity and exits at 1 mpa and 347°c with a velocity of 90 m/s. the compressor is cooled at a rate of 1500 kj/min, and the power input to the compressor is 245 kw. determine the mass flow rate of air through the compressor.

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

The necleus of an atom is made up of what subatomic particles?