A speed of a rocket in space increases from 2*10^3m/s to 4*10^3m/s while its mass decrease...
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A speed of a rocket in space increases from 2*10^3m/s to
4*10^3m/s while its mass decrease...
A rocket that is in deep space and initially at rest relative to an inertial reference...
A rocket that is in deep space and initially at rest relative to an inertial reference frame has a mass of 2.80 105 kg, of which 1.92 105 kg is fuel. The rocket engine is then fired for 250 s while fuel is consumed at the rate of 480 kg/s. The speed of the exhaust product relative to the rocket is 3.21 km/s. (a) What is the rocket's thrust? N (b) What is the mass of the rocket after the...
10: A rocket accelerates upward by burning its onboard fuel, so its mass decreases with time....
10: A rocket accelerates upward by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity ve (relative to the rocket). A model for the velocity of the rocket in meters per second after t seconds is given by the equation r(t)--gt-ve In (mmrt) where g is the acceleration due...
4: Suppose the mass of a rocket just as it runs out of fuel is 75550-kg,...
4: Suppose the mass of a
rocket just as it runs out of fuel is 75550-kg, and its exhaust
speed is 2.7 × 103 m/s.
Calculate
the maximum rate, in kilograms per second, at which the rocket can
expel gases, if its acceleration cannot exceed seven times that of
the gravitational acceleration on the surface of the Earth. Assume
the gravitational force on the rocket is negligible.
R =
|
We were unable to transcribe this imageWe were unable to...
Constants Periodic Table A rocket of total mass 3230 kg is traveling in outer space with...
Constants Periodic Table A rocket of total mass 3230 kg is traveling in outer space with a velocity of 100 m/s. To alter its course by 33.0, its rockets can be fired briefly in a direction perpendicular to its initial motion Part A If the rocket gases are expelled at a speed of 1900 m/s, how much mass must be expelled? [Mint Uso a velocity triangle to relate the initial velocity of the rocket to the additional velocity component needed...
A rocket, which is in deep space and initially at rest relative to an inertial reference...
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 85.2 x 105 kg, of which 18.3 x 105 kg is fuel. The rocket engine is then fired for 170 s, during which fuel is consumed at the rate of 360 kg/s. The speed of the exhaust products relative to the rocket is 2.60 km/s. (a) What is the rocket's thrust? After the 170 s firing, what are (b)...
A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the...
A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity v_e (relative to the rocket). A model for the velocity of the rocket at time t is given by the equation v(t) = -gt - v_e ln m - rt/m where g is the acceleration due...
5. Rocket guidance A space probe with mass 5180 kg is traveling beyond Saturn with a...
5. Rocket guidance A space probe with mass 5180 kg is traveling beyond Saturn with a velocity of 115 m/s. When it is time to alter its course by 30.0°, the probe's thruster jets are fired briefly in a direction perpendicular to its original motion. If the thruster gases are expelled at a speed of 1750 m/s, how much mass must be expelled during the course correction?
A rocket in deep space moving with velocity of 300 m/s has an initial mass of...
A rocket in deep space moving with velocity of 300 m/s has an initial mass of 5000 kg, of which 2000 kg are fuel. If it is ejecting gasses at a rate of 5 kg/s at a speed of 200 m/s relative to the rocket, then after 200 second of motion, its speed is
A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the...
A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity ve (relative to the rocket). A model for the velocity of the rocket at time t is given by the equation m- rt where g is the acceleration due to gravity and t is not too...
A disk of radius 3m and mass 4000kg has a rocket attached to the edge. Its...
A disk of radius 3m and mass 4000kg has a rocket attached to the edge. Its a 1000N rocket. How long will it take to rotate 300 times? A disk of radius 6m and mass 2000kg rotates 400 times in 180 seconds because of a rocket attached to its edge. Whats the force given by the rocket? You have a spaceship that is a thin spherical shell. Its mass is 12000 kg and has a radius of 40m. You have...
10: A rocket accelerates upward by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity ve (relative to the rocket). A model for the velocity of the rocket in meters per second after t seconds is given by the equation r(t)--gt-ve In (mmrt) where g is the acceleration due...
4: Suppose the mass of a
rocket just as it runs out of fuel is 75550-kg, and its exhaust
speed is 2.7 × 103 m/s.
Calculate
the maximum rate, in kilograms per second, at which the rocket can
expel gases, if its acceleration cannot exceed seven times that of
the gravitational acceleration on the surface of the Earth. Assume
the gravitational force on the rocket is negligible.
R =
|
We were unable to transcribe this imageWe were unable to...
Constants Periodic Table A rocket of total mass 3230 kg is traveling in outer space with a velocity of 100 m/s. To alter its course by 33.0, its rockets can be fired briefly in a direction perpendicular to its initial motion Part A If the rocket gases are expelled at a speed of 1900 m/s, how much mass must be expelled? [Mint Uso a velocity triangle to relate the initial velocity of the rocket to the additional velocity component needed...
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 85.2 x 105 kg, of which 18.3 x 105 kg is fuel. The rocket engine is then fired for 170 s, during which fuel is consumed at the rate of 360 kg/s. The speed of the exhaust products relative to the rocket is 2.60 km/s. (a) What is the rocket's thrust? After the 170 s firing, what are (b)...
A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity v_e (relative to the rocket). A model for the velocity of the rocket at time t is given by the equation v(t) = -gt - v_e ln m - rt/m where g is the acceleration due...
5. Rocket guidance A space probe with mass 5180 kg is traveling beyond Saturn with a velocity of 115 m/s. When it is time to alter its course by 30.0°, the probe's thruster jets are fired briefly in a direction perpendicular to its original motion. If the thruster gases are expelled at a speed of 1750 m/s, how much mass must be expelled during the course correction?
A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the initial mass of the rocket at liftoff (including its fuel) is m, the fuel is consumed at rate r, and the exhaust gases are ejected with constant velocity ve (relative to the rocket). A model for the velocity of the rocket at time t is given by the equation m- rt where g is the acceleration due to gravity and t is not too...
A disk of radius 3m and mass 4000kg has a rocket attached to the edge. Its a 1000N rocket. How long will it take to rotate 300 times? A disk of radius 6m and mass 2000kg rotates 400 times in 180 seconds because of a rocket attached to its edge. Whats the force given by the rocket? You have a spaceship that is a thin spherical shell. Its mass is 12000 kg and has a radius of 40m. You have...
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