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Many satellites are moving in a circle in the earth's equatorial plane. They are at such a height above the earth's surface that they always remain above the same point.
Obtain the altitude of these satellites above the earth's surface. (Such an orbit is said to begeosynchronous.)
m
A playground carousel is rotating counterclockwise about its center on frictionless bearings. Find the final angular speed of the carousel
One of the new events in the 2002 Winter Olympics was the sport of skeleton (see photo), In the absence of nonconservative forces, such as friction and air resistance, what would be the speed of a rider at the bottom of the track
a certain elevator cab in a new york hotel has a total run of 180 m. its maximum speed is 302 mmin. its acceleration
A spacecraft is on a journey to the moon. At what point, asmeasured from the center of the earth, does the gravitational forceexerted on the spacecraft by the earth balance that exerted by themoon?
Wingspan 64 m spread, 38 m swept Total Wing area Aw = 54.5 m2 Drag profile area Ap = 11.5 m2 Mass 27,700 kg fully loaded 2 x GE F110 Turbofan engines Thrust 61.4 kN from each engine
A 28.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block
A cord connected at one end to a block which can slide on an inclined plane has its other end wrapped around a cylinder resting in a depression at the top of the plane . Determine the speed of the block after it has traveled 1.80 along the plane, ..
A solid copper ball with a diameter of 2.60 meter at sea level is placed at the bottom of the ocean, at a depth of 7.0 kilometer. determine how much does the diameter of the ball decrease when it reaches bottom
A 10.2-g bullet is fired into a stationary block of wood having mass m = 4.92 kg. The bullet imbeds into the block. What was the original speed of the bullet
suppose two parallel-plate capacitors have the same charge q but the area of capacitor 1 is a and the area of capacitor
In a particular double slit experiment, ther distance between the slits is 50 times the wavelength of light. find the angles at whcih the first two minima occur
A high-energy pulsed laser emits a 1.2-ns-longpulse of average power 1.7×1011W. Determine the rms value of the electric field
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