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A ladder leans against a wall inside a spaceship. From the point of view of a person on the ship, the base of the ladder is 2.20 m from the wall, and the top of the ladder is 6.22 m above the floor. The spaceship moves past the Earth with a speed of 0.90c in a direction parallel to the floor of the ship. Find the angle the ladder makes with the floor, as seen by an observer on Earth.
Already asked once, given the wrong answer. Please help.
A concave mirror is to form an image of the filament of a headlight lamp on a screen 8.00 m from the mirror, How far in front of the vertex of the mirror should the filament be placed
A capacitor is constructed of two concentric conducting cylindrical heels. The radius of the inner cylindrical shell is 2.32 x10-3 m, and that of the outer shell is 2.52 x10-3 m. When the cylinders carry equal and opposite charges of magnitude 2.3 x ..
Olympic diver Matthew Mitcham springs upward from a diving board that is 3.10 m above the water. Determine his maximum height above the water
The windows in an office building are 4.0 m by 5.0 m. On a stormy day, air is blowing at 30m/s past a window on the 53rd floor. Discover the magnitude and direction of the net force on the window. The density of air at that height is 1.23 kg/m3.
a 900 kg crate is on a rough surface inclined at 30 degrees. a constant force p7200n is applied horizontally to the
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A shell is fired from a level ground so as to hit a target 100m away. Unluckily the shell explodes prematurely and breaks into two equal pieces. Where does the other piece land
You are making pesto for your pasta and have a cylindrical measuring cup 10.9 high made of ordinary glass and that is filled with olive oil to a height of 1.30 below the top of the cup. At what temperature will the olive oil start to spill out of t..
A long uniform rod which weighs 5.00*10power2 N leans against a smooth vertical wall. It leans by an angular of 60.0 degrees with respect to the horizontal floor. The rod is 1.5 meters long.
A small lead ball, attached to a 1.50-m rope, is being whirled in a circle that lies in the vertical plane. to what maximum height above the ground does the ball rise
You measure an electric field of 1.25*10^6N/C at a distance of 0.142m from a point charge. What is the electric flux through the surface of a sphere
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t, Estimate the capacitance of the cell ..
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