What are the main advantages and drawbacks

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Q. Explain the basic idea of the particle-Mesh method to advance the solution of a system of particles under mutual gravitational forces. How do you obtain the forces exerted on a given particle by the rest of the particles? What are the main advantages and drawbacks of this method?

Q. A 1.80 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats. The reflected sound is then mixed with transmitted sound, and 80 beats per second are detected. The speed of sound in body tissue is 1490 m/s.

Reference no: EM1382880

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