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A satellite of mass M = 229 kilogram is in circular orbit around the earth at an altitude equivalent to the earth's mean radius (6370 kilometer). At this distance, the free-fall acceleration is g/4.
Evaluate what is the satellite orbital speed?
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 %u03BCT at a point P, a certain distanceaway from the wire
A uniform ladder 6.58 m long weighing 460 N rests with one end on the ground and the other end against a perfectly smooth vertical wall, Find the friction force that the floor exerts on the ladder
A plane, diving with constant speed at an angle of 49.0° with the vertical, releases a projectile at an altitude of 560 m. The projectile hits the ground 6.00 s after release. What is the speed of the aircraft
A person with a nearsighted eye has near and far points of16 cm and 34 cm, respectively. Assuming a lens is placed 2.0 cm from the eye, what power should the lens have to correct this condition?
A small current loop of area A=0.0008m2 and moment of inertia I=6.9e-07kgm2 carries a current i=0.0039A with its magnetic moment perpendicular to the Earth's magnetic field. The magnitude of the Earth's field is B=4.2e-05T.
A power boat of mass 500 kg iscruising at a constant speed of 8.9 m/s. The propeller provides adrive force of 765 N. How far does the boat coast
A rectangular barge, 4.0 m long and 1.5 m wide, floats in fresh water. (a) Find out how much deeper it floats when its load is a 380-kg horse. (b) If the barge can only be pushed 15 cm deeper into the water before water overflows to sink it, how m..
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120km/h, How far was the train from the cow when the engineer first applied the brakes
The image behind a convex mirror (radius of curvature = 76.0 cm) is located 32.0 cm from the mirror. Where is the object located (give the distance to the mirror)
A galvanometer has a coil resistance of 100 ohms and gives a full scale deflection when the potential difference across it is 0.0005 V. What size resistor (with a value measured in ohms) is required
Tom and Mary are riding a merry-go-round. Tom is on a horse about half way between the center and the outer rim, Which child has the larger angular speed
An electric car is being designed to have an average power output of 4,900 W for 2 h before needing to be recharged, How much energy would be stored in the charged batteries
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