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Q. Geosynchronous Orbit
Communications satellites are able to be placed in equatorial orbits at a distance which results in an orbital period of one day. Therefore the satellite occupies a stationary position above the surface of the earth. To determine the height of this orbit we simply equate the centripetal force due to gravity with the centrifugal force resulting from motion along the circular path. Using Me for the mass of the earth and ms for the mass of the satellite, G for the gravitational constant ω for the angular velocity and h for the height of the orbit above the earth's surface
We have
GMems/(Re + h)2= msω2(Re + h)
Then
This is 22,300 mi and quantity to about 5.6 earth radii.
A convex lens of refractive index 1.5 of focal length 0.2m is immersed in water of refractive index 1.33. Determine the focal length of lens in water.
Awhat is angle of projection of body thrown from inclined plane of 37degree so that body hits inclined plane normalysk question #Minimum 100 words accepted#
if electrons are moving from east to west in a conductor is there a flow of current?
your dog is running around the grass in your back yard. He undergoes successive displacements 3.50 m south, 8.20 m northeast, and 15.0 m west. What is the resultant displacement. h
Phase (Φ) : The amount which express at any instant, the displacement of the particle and it's direction of motion is known as the phase of the particle. If two elements of the
Oscillation of mercury coloumn in a U-tube
Q. What is artificial radioactivity? The phenomenon by which still light elements are made radioactive by artificial or induced methods is called artificial radioactivity. α
D=(a÷Sqrt(h**k**l**))
In the equal distance method of a deflection magnetometer, the deflections produced by two bar magnets are 30 o and 60 o . Determine the ratio of their magnetic moments?
Visible Radiation (Waves): Visible waves have a wavelength range among 400 and 700 nanometre.
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