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 ▸Describe the workings behind the Photoelectric effect
What is an ohmic resistor? How to check if a resistor is ohmic?
What does the photoelectric effect demonstrate?
A ball is hit horizontally at a height of 1.2 m and travels a horizontal distance of 5.0 m before reaching the ground. The ball is at rest when hit. Calculate the initial horizontal velocity given to the ball when it was hit.