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A space craft with a mass equal to .25*(mass of moon) is in orbit about the sun with a period of 3 years. a) calculate the average radius of the space craft's orbit. (the distance from the space craft to the sun). b) if this craft approached the earth so that it was one earth radius from the surface of the earth, what force would the space craft exert on you if your mass is 80kg? also, what force would the space craft exert on the earth itself?
A 73.0-kg parachutist falling vertically at a speed of 6.60m/s impacts the ground, what is the average force exerted on the parachutist by the ground
A64-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. How fast is the astronaut moving after he throws the mallet
In the Biomedical and Physical Sciences building at MSU there are 132 steps from the ground floor to the sixth floor. Each step is 16.6 cm tall. How many food Calories did the person burn during the walk
A body travels a distance of 3km towards east and 4 km towards north and finally 9 km towards east. what is the total distance travelled and displacement of body.
Assume that you need to get a heavy couch into the bed of a pickup truck. You know the bed of the truck is at the height of 1.00 and you require a ramp that makes an angle of 40 with the ground if you are to be able to push the couch.
question1a puck of mass m1 76.0 g and radius r1 4.40 cm glides across an air table at a speed of 1.50 ms. it makes a
A uniform drawbridge must be held at a 35.0?angle above the horizontal to allow ships to pass underneath. what is the initial angular acceleration of the bridge
A large parallel plate capacitor has plate separation of 0.98 cm and plate area of 230 cm2. How much work is done on the capacitor as the plate separation is increased to 1.96 cm
A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, How far below the release point is the center of mass of the two stones at t = 340 ms
A 50 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.10 m-long string. The balls undergo a head-on, perfectly elastic collision, after which the 110g ball swings out to a maximum angle the..
Three sheets of plastic have unknown indices of refraction. Sheet 1 is placed on top of sheet 2, what is the expected angle of refraction in sheet 3
In the movie, "SPEED" one of the action events required volunteer bus driver, Sandra Bullock, to jump a 50 foot (15.25m) gap in a newly constructed freeway overpass. Determine the angle of the road bed required to land on the far side safely
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