Geography of Asia

Geography of Asia reviews geographical concepts of classifying Asia, the central and eastern part of Eurasia, comprising approximately fifty countries. Definition and boundaries of Asia The land mass of Asia is not the sum of the land masses of each of its regions, which have been defined independently of the whole. For example, the borders of Central Asia and the Middle East depend on who is defining them and for what purpose. These varying definitions are not generally reflected in the map of Asia as a whole; for example, Egypt is typically included in the Middle East, but not in Asia, even though the Middle East is a division of Asia. The demarcation between Asia and Africa is the isthmus of Suez and the Red Sea. The border with Europe starts with the coast of the eastern Mediterranean, even though Turkey in the Near East extends partly into the Aegean Islands and includes Istanbul on the European side of the Bosphorus. On the north the boundary between the continents of Asia and Europe is commonly regarded as running through the Dardanelles, the Sea of Marmara, the Bosporus, the Black Sea, the Caucasus Mountains, the Caspian Sea, the Ural River to its source, and a long border generally following the eastern side of the Ural Mountains to the Kara Sea, Russia. The Arctic Ocean is the northern border. The Bering Straits divide Asia from North America. On the southeast of Asia are the Malay Peninsula (the limit of mainland Asia) and Indonesia ("Isles of India", the former East Indies), a vast nation among thousands of islands on the Sunda Shelf, large and small, inhabited and uninhabited. Australia nearby is a different continent. The Pacific islands northeast of Australia more remotely removed from Japan and Korea are Oceania rather than Asia. From Indonesia the border runs along the Indian Ocean to the Red Sea. Most of the islands in the Indian Ocean are Asian. Multiple sources give different estimates of the area enclosed by the imaginary border of Asia. The New York Times Atlas of the World gives .

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Related exercises (5)

Conceptual questions on mechanical equilibrium

When Firmin, the house painter, is in the middle of his nacelle and the left dynamometer indicates 600xa0N, what does the right dynamometer show? If he’s not in the middle of the nacelle and the left dynamometer indicates 400xa0N, what does the right dynamometer then show? Since the cable is stuck, Firmin decides to get out of his nacelle, from the right. Just before Firmin lets go of the right cable, the left dynamometer indicates 200xa0N. What does the right dynamometer show now? And now, find Firmin’s

Mass in a rotating tube

Inside a horizontal tube, a material point of mass m is attached to an elastic band of null rest length and with spring constant k. The elastic band’s end is attached to the middle of the tube. The tube can rotate around a vertical axis going through its center, at constant angular speed Ω⃗. Any friction is negligible.

Write the mass’ equations of motion in cylindrical coordinates as a function of Ω.
Under which conditions on Ω does the mass have an oscillating motion? What’s the frequency

The siphon

We use the siphon of the figure to empty a container of water. At the exit of the tube, the shrinking factor is 0.6. i) What is the water velocity at the exit of the tube? ii) What is the maximal height of the siphon if we want to avoid the formation of bubbles (cavitation) at the top of the siphon? The vapor pressure of water is P_(sat)u2004=u20041765 Pa. The edge of the siphon is located 2m under the bottom of the container. The flow is sufficiently weak so that we can consider the height of fluid constan

Free surface of a vortex

Consider the vortex formed by an ideal fluid which flows by a hole at the bottom of a container. The potential of velocities for this flow is, with a correct approximation :

\Phi(\theta)=\frac{\Gamma}{2\pi}\,\theta ~,

where Γ is a constant. Check that the flow is irrotational. Then use the Bernoulli law to determine the shape of the free surface of the vortex. Considering the symmetry of the problem, we will use the cylindrical coordinates (r,θ,z). For the given potential the velocity field is:

Rotating fluid

A cylindrical container with an ideal incompressible fluid in it rotates around its axis with an angular velocity ω₀. Determine the shape of the free surface of the liquid : (a): using a rotating referential; (b) using an inertial referential and the Euler equation. (a) For the rotating referential around the z axis, it is a problem of statics. The fluid is subject to its weight and to a inertial force, the centrifugal force

{\bf f}_{inertia} = \rho_0 \omega^2 r\, {\bf \hat{r}}

. The equilibrium condition