Question

for rocket propulsion unit the relative Jet velocity to 2007 and metre per second in the forward glide velocity is 1350 metre per second the corresponding proportional efficiency of the unit would be close to which percent​

Answer 1

conservation of momentum

the meniscus of a liquid in a capillary tube is a concave if fc is the force of cohesion and the fa is the force of adhesion between molecule of the liquid then