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Synchronous communication satellites are put into orbit at a distance of 42300 kilometer from earth. If two adjacent satellites are separated by an angle of 2o when viewed from earth, determine the arc length that separates the two satellites in orbit?
Astronaut Benny travels to Vega, the fifth brightest star in the night sky, leaving his 35.0-year-old twin sister Jenny behind on Earth. Benny travels by a speed of 0.9996 c, and Vega is 25.3 light-years from Earth.
Hold a rubber band between your right and left hands. Pull with your left hand. Does your right hand experience a force
Two sleds are hooked together in tandem . The front sled is is twice as massive as the rear sled. Determine the ratio of the magnitude of the two forces.
A street lamp weighs 152N. It is supported equally by two wires that form the angle of 120° with each other. What is the tension of each of these wires.
A large plane having uniform charge density has an electric field just outside the plane that points directly toward the plane with magnitude 1.05×104N/C
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
after flying for 15 min in a wind blowing 42 kmh at an angle of 24deg south of east an airplane pilot is over a town
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 1.6 cubic meters of sea water. What is the buoyant force acting on the object
A bullet is moving at a speed of 410 m/s when it embeds into a lump of moist clay. The bullet penetrates for a distance of 0.0721 m. Determine the acceleration of th ebullet while moving into the clay.
a large boulder is ejected vertically upward from a volcano with an initial speed of 40.2 ms. air resistance may be
An unresolved binary system consists of two stars, one has V = 6.00 and (B-V) = .22, and the second star V = 8.50 and (B-V) = 0.12 a) what is the V and B flux density of each star? b) what is the apparent V and B magnitude of the combined system?
The drive propeller of a ship starts from rest and accelerates at 2.60 multiply.gif 10-3 rad/s2 for 2.15 multiply.gif 103 s. Find the total angular displacement of the propeller
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