In one second a mass of 210 kg of air enters at A. The speed of this mass of air increases by 570 m s–1 as it passes through the engine. Calculate the force that the air exerts on the engine.
F = M x A (A= (V-U)/T) F = 210 x 570 F = 119,700 N
SG
Related Physics A Level answers
All answers ▸What do I need to do for full marks on the question "describe an everyday circumstance where resonance occurs (4 marks)"?
How do stars form?
State the principle of superposition of waves and illustrate it schematically.
A ball is thrown out of a window 18m off the ground. It is thrown horizontally at 0.5m/s. Show that it takes about 2s to reach the ground