At time t=0 a 2150 kg rocket in outer space fires an engine that exerts an...
At time t=0 a 2150 kg rocket in outer space fires an engine that exerts an increasing force on it in the +x−direction. This force obeys the equation Fx=At2, where t is time, and has a magnitude of 889.66 N when t=1.25 s. What impulse does the engine exert on the rocket during the 2.9 s interval starting 2.00 s after the engine is fired?
Homework Answers
![*5= 569.4 NV152 4999 - (2.0339] → J = 2081104 N.S](http://img.homeworklib.com/questions/3c526e70-892e-11eb-b20b-e7d7756040a5.png?x-oss-process=image/resize,w_560)
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At time t=0 a 2150 kg rocket in outer space fires an engine that
exerts an...
Far in space, where gravity is negligible, a 440 kg rocket traveling at 75 m/s fires itsengines. Figure P9.26 shows the...
Far in space, where gravity is negligible, a 440 kg rocket
traveling at 75 m/s fires itsengines. Figure P9.26 shows the thrust
force as a function of time,with the horizontal axis in 11
sincrements. The mass lost by the rocket during these 33 s is
negligible.
Figure P9.26
(a) What impulse does the engine impart to
therocket?
N·s
(b) At what time does the rocket reach its maximum speed?
s
What is the maximum speed?
m/s
A space probe is traveling in outer space with a momentum that has a magnitude of...
A space probe is traveling in outer space with a momentum that has a magnitude of 4.96 x 10 kg.m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.93 x 10 N and a direction opposite to the probe's motion. It fires for a period of 10.7 s. Determine the momentum of the probe after the retrorocket ceases to fire. A 48.0-kg skater is standing at rest...
A space probe is traveling in outer space with a momentum that has a magnitude of...
A space probe is traveling in outer space with a momentum that has a magnitude of 7.21 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.84 x 106 N and a direction opposite to the probe's motion. It fires for a period of 11.3 s. Determine the momentum of the probe after the retrorocket ceases to fire.
A space probe is traveling in outer space with a momentum that has a magnitude of...
A space probe is traveling in outer space with a momentum that has a magnitude of 4.96 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.34 x 106 N and a direction opposite to the probe's motion. It fires for a period of 8.68 s. Determine the momentum of the probe after the retrorocket ceases to fire.
1. The following is a one-dimensional problem. A rocket in outer space is blasting its engines...
1. The following is a one-dimensional problem. A rocket in outer space is blasting its engines so that it has a constant acceleration of 14.0 m/s in the x-direction. At a specific time, the rocket is observed to have a velocity of 33.0 m/s in the x-direction. At a second time 2.90 seconds later, the rocket is observed again. (a) What is the magnitude of the rocket's velocity (in meters/sec) at this second time? (b) How much did the rocket...
A space probe is traveling in outer space with a momentum that has a magnitude of...
A space probe is traveling in outer space with a momentum that has a magnitude of 4.57 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.81 x 106 N and a direction opposite to the probe's motion. It fires for a period of 11.5 s. Determine the momentum of the probe after the retrorocket ceases to fire. What I got was: 25790000 kg*m/s
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 in outer space has a payload of 5055.6 kg and 1.542 . 105 kg...
A rocket in outer space has a payload of 5055.6 kg and 1.542 . 105 kg of fuel. The rocket can expel propellant at a speed of 5.580 km/s. Assume that the rocket starts from rest, accelerates to its final velocity, and then begins its trip. How long will it take the rocket to travel a distance of 3.82. 103 km (approximately the distance between Earth and Moon)? Question A fire hose 4.54 cm in diameter is capable of spraying...
In MATLAB At time t=0 when a rocket's engine shuts down, the rocket has reached an...
In MATLAB
At time t=0 when a rocket's engine shuts down, the rocket has reached an altitude of 500 m and is rising at a velocity of 125 m/s. The height of the rocket as a function of time is 9.8 h(t)= t? +125t+500 for t > 0 2 Create a time array t from O sec to 30 sec with an increment of 1 sec and a corresponding array for the height h. Plot the height of the rocket...
7. A space probe (mass=4.85 x 10 kg) is drifting directly toward the moon in the...
7. A space probe (mass=4.85 x 10 kg) is drifting directly toward the moon in the +x direction) at a speed of 3.23 x 10 m/s. To correct its speed before going into orbit, a thruster rocket is fired in the -x direction; the magnitude of the force is 5.63 x 10' N. The speed after the thruster is fired is 2.87 x 10' m/s. a. Find the probe's momentum before the thruster is fired, as well as its momentum...
Far in space, where gravity is negligible, a 440 kg rocket
traveling at 75 m/s fires itsengines. Figure P9.26 shows the thrust
force as a function of time,with the horizontal axis in 11
sincrements. The mass lost by the rocket during these 33 s is
negligible.
Figure P9.26
(a) What impulse does the engine impart to
therocket?
N·s
(b) At what time does the rocket reach its maximum speed?
s
What is the maximum speed?
m/s
A space probe is traveling in outer space with a momentum that has a magnitude of 4.96 x 10 kg.m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.93 x 10 N and a direction opposite to the probe's motion. It fires for a period of 10.7 s. Determine the momentum of the probe after the retrorocket ceases to fire. A 48.0-kg skater is standing at rest...
1. The following is a one-dimensional problem. A rocket in outer space is blasting its engines so that it has a constant acceleration of 14.0 m/s in the x-direction. At a specific time, the rocket is observed to have a velocity of 33.0 m/s in the x-direction. At a second time 2.90 seconds later, the rocket is observed again. (a) What is the magnitude of the rocket's velocity (in meters/sec) at this second time? (b) How much did the rocket...
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 in outer space has a payload of 5055.6 kg and 1.542 . 105 kg of fuel. The rocket can expel propellant at a speed of 5.580 km/s. Assume that the rocket starts from rest, accelerates to its final velocity, and then begins its trip. How long will it take the rocket to travel a distance of 3.82. 103 km (approximately the distance between Earth and Moon)? Question A fire hose 4.54 cm in diameter is capable of spraying...
In MATLAB
At time t=0 when a rocket's engine shuts down, the rocket has reached an altitude of 500 m and is rising at a velocity of 125 m/s. The height of the rocket as a function of time is 9.8 h(t)= t? +125t+500 for t > 0 2 Create a time array t from O sec to 30 sec with an increment of 1 sec and a corresponding array for the height h. Plot the height of the rocket...
7. A space probe (mass=4.85 x 10 kg) is drifting directly toward the moon in the +x direction) at a speed of 3.23 x 10 m/s. To correct its speed before going into orbit, a thruster rocket is fired in the -x direction; the magnitude of the force is 5.63 x 10' N. The speed after the thruster is fired is 2.87 x 10' m/s. a. Find the probe's momentum before the thruster is fired, as well as its momentum...
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