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A particular satellite was placed in a circular orbit about 140 meter above the Earth.
(a) Find the orbital speed of the satellite.
m/s
(b) Find the time required for one complete revolution.
min
As a spacecraft approaches a planet, the rocket engines on it are fired (turned on) to slow it down so it will go into orbit around the planet. compute how long (in minutes) must the engines be fired
A long straight wire suspended in the air carries a conventional current of 8.2 amperes in the ?x direction, What is the (vector) magnetic field due to the wire at the location of the electron
One end of a horizontal rope is attached to a prong of an electrically driven tuning fork that vibrates at a frequency 112 Hz. What is the speed of a transverse wave on the rope
Assume that light of a single color, rather than white light, passes through two slits 0.50 mm apart, determine the light's wavelength
While john is travelling along an interstate highway, he notices a 160 mile marker as he passes through town. Later John passes another mile marker, 119.
What is the weight of the staging. A highway curve with radius 800 is to be banked so that a car traveling 56.0 will not skid sideways even in the absence of friction. At what angle must the curve be banked.
calculate the mass and density of methane gas contained at 1000 psia and 68 degrees Farenheit in a cylinder with volume 3.20 cu ft
If the acceleration of an object is constant, the value of the acceleration may be determined by any of the following methods except: Dividing the change in the object's velocity by the time interval over which the velocity changed. Dividing the aver..
A hot ( ) lump of metal has a mass of 250g and a specific heat of 0.25 . John drops the metal into a 500g calorimeter containing 75g of water at . The calorimeter is constructed of a material that has a specific heat of 0.10 . When equilibrium is ..
Light in air is incident at the polarizing angle on a certain piece of glass. The angle of refraction is 32°. Evaluate the index of refraction of the glass
a the harmonic oscillator can be used as a model for the vibrational motion of a diatomic molecule. describe the
Three blocks are in contact and sitting on frictionless table. What is the magnitude of the force exerted by the third block on the second block
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