The Merlin rocket engines developed by SpaceX can produce 787X105N of Thstantancous thrust with an exhaust Speed of 3.05x10 3m/. In vacuum. What mass of fuel do es the eugine burn each Second to produce this thrust? Enter kgls kg/s answer in
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- A rocket is movy with speed 301o°m when engines cjechel with sped are turm on exhaut gos of saomls wir.t. nocket. are flo Sped of rocket may of nocket becomes Wirrt. سعراى يع flo thugt flow rate haly of initic on rocket if may y exhamt garn gra solylsesAir enters the front of a jet engine at 250m/s. If the intake area is 0.8m2, and the air density(at a height of 5000m) is 0.7 kg/m3, what is the mass flow rate of air into the engine.The air has 2% fuel (by mass) added to it, and after combustion the hot gases exit the rear ofthe engine at 1300m/s. Calculate the thrust of the engineIf the engine is moving forwards at 250m/s, what power is it developing?QUESTION 3 (COLLABJA new design of Satum 10 rocket with mass 1.17 x10° kg has a by burning fuel at a rate of 4 977 x105 kg/s (dmdT) In full tank the rocket can carry a fuel of mass 47.66 x10 b kg. If this design exceeds the vetecity of 11 200 m/s it can suessfully es jagetaith sgiavity Determine if this is so. Find its maximum velocity (velyZ) in a PhysLab virtual simulation. (Pitch Angle = 0} ulsioniengine that can eject gases at a constant speed of 370 44 m/s (vGas)
- a 2.50 cm pipe is connected to a 0.900 cm pipe. if the velocity of the fliud in teh 2.50 cm pipe is 1.50 m/s what is teh velocity in the 0.900 cm pipe?A rocket produces a total thrust of 20000N.if the mass flow rate of propellants is 16kg/s.what will be the effective exhaust velocity?9.7 The mass flow through a rocket engine is 25 kg/s. If the exit area, velocity, and pressure are 2 m², 4000 m/s, and 2 × 104 N/m², respectively, calculate the thrust at a standard altitude of 50 km.
- A truck containing a half-filled tank goes up to a ramp which forms 15o from the horizontal. What would be the angle formed by the liquid from its initial state when the truck traveled 100m in 4s from an initial speed of 10 m/s?:SA DIRECTIONS Read the prcblen carefuty dentify the given quantities and determine what is required Car A of mass 2000 kg moving at 72 kmr, east tres to overtake car B of mass 1250 kg moving at 60 km/hr, east Car A coldes with car B The cars stick together ater collision. Find ther veiocity after colisionA rocket produces a total thrust of 40,000 N. If the mass flow rate of propellants is 16 kg/s, what will be effective exhaust velocity?
- of earth 5.5 x 10' kg / m3 (G = 6.67 × 10-" S. L form the surface of the earth. Average density Ex. 62: Calculate the escape velocity of a body %3D %3D units; R = 6.4 x 106 m). ofx 00/A spherical balloon filled with nitrogen is attached to a 2.5-m-long, 0.055-kg string. The balloonhas a radius of 0.40 m. When released, it lifts a length h of the string when it comes to rest, as inthe above figure. Find h. Assume the mass of the balloon material is 0.251 kg.A uniform soda can of mass 0.141 kg is 12.1 cm tall and filled with 0.351 kg of soda (figure below). Then small holes are drilled in the top and bottom (with negligible loss of metal) to drain the soda. (Initially the soda can is full.) (a) What is the height h of the com of the can and contents initially? cm (b) What is the height h of the com of the can and contents after the can loses all the soda? cm (c) What happens to h as the soda drains out? O decreases then rises again decreases to the bottom O rises to the top O stays the same (d) If x is the height of the remaining soda at any give instant, find x when the com reaches its lowest point. cm Splash!