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You are trying to land your spaceship upon an unknown planet. As you descend vertical towards the surface of the planet you note that you experience a downward acceleration of 0.15 m/s2 when your engines are providing 6850 N of upward thrust. In order to maintain a stable speed of descent you have to increase the upward thrust to 7955 N.
a) Find the weight of the spaceship?
b) Determine the mass of the spaceship?
c) Find the approximate gravitational acceleration provided by the planet?
d) After exploring the surface, you prepare for vertical liftoff. You need to travel a distance of 58 kilometer in a time of 11 minute before you run out of fuel. Find what minimum constant magnitude of thrust must the engines provide?
a plane whose airspeed is 200km/h heads north. But a 100km/h northeast wind suddenly begins to blow. what is the excelerating velocity of the plane
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An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 1710 * 10^3 seconds, calculate the moon\'s radial acceleration.
The biggest asteroid (Asteroid 2005 YU55 400 m wide) to cruise by the Earth in 35 years made its closest approach on Tuesday November 11/08/2011 at 6:28 p.m. (PST). Find the acceleration and speed of the asteroid in its circular orbit
Suppose the AC voltage from a power company is 20000v, two transformers are used to step down the voltage. The first transformer has 5000 turns in the primary coil and 250 turns in the secondary coil; the second transformer has 4000 turns in the p..
question a uniform 1200n beam that is 3.50 m long is suspended horizontally by two vertical wires at its ends. a small
An electron is trapped in an infinite square-well potential of width 0.7 nm. If the electron is initially in the n = 4 state, what are the various photon energies
A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner, find the tension in the string required to start to tip the block over
An artillery expert fires a cannonball at an angle of 36.87o at an enemy encampment sitting on a plateau 40 m high and 300 m horizontally from the cannon. How long was the cannonball in the air
Two identical uniform bricks of length 26 m are stacked over the edge of a horizontal surface. What maximum overhang is possible for the two bricks (without tipping)
Calculate the speed of the second ship with respect to Earth if it is fired in the same direction the first spaceship is already moving
question a student calculates the frequency of a waveform produced by a tuning fork to be 303 hz. if the tuning fork is
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