Academia Eruditionis

sample problem

[PHYSICS .. STATICS OF MATERIALS .. MECHANICS] Find the resultant torque on B when the forces shown in the figure act on a 5N rod. The rod is measured to be 8 m long.

All about research..

Scr= various accounts ()

[CHEMISTRY -HESS'S LAW]
Calculate the ∆H for the following reaction:
2S + 3O2 -> 2SO3

[BIOLOGY] Similarities and differences between prokaryotic and eukaryotic cells.

[PHYSICS - KINEMATICS - CONSERVATION OF ENERGY - MECHANICAL ENERGY]
What will be the speed of a dare devil jumper who is gliding initially at a height of 500m at 45m/s before diving to a height of 270m?

[General Physics -- Mechanics]
What is the resultant vector of a vector 13m East and 6m North of East acting on a point W at an angle 73°? Also find angle theta?

[PHYSICS - KINEMATICS -STATICS]
Three vector forces; F1, F2, and F 3 , act on a particle of mass m=1.73kg as shown in the figure. Calculate the magnitude and direction of the net force acting on the particle. Calculate the particle's acceleration.

THE ARTS AND STUDIES IN THE SCIENCES..

*Acoustics - The study of sound (or the science of sound)
*Aerodynamics - The branch of mechanics that deals with the motion of air and other gases
*Aeronautics - The science or art of flight
*Aeronomy - The study of the Earth’s upper atmosphere, including its composition, density, temperature, and chemical reactions, as recorded by sounding *rockets and earth satellites
*Agrobiology - The science of plant life and plant nutrition
*Agronomy - The science of soil management and the production of felid crops
*Agrostology - The study of grasses
*Alchemy - Chemistry in ancient times
*Anatomy - The science dealing with the structure of animals, plants or human body
*Anthropology - The science that deals with the origin as well as the Physical and cultural developments of mankind
*Arboriculture - Cultivation of trees and vegetables
*Astrology - The ancient art (now mostly termed a pseudo- science) of predicting the course of human destinies with the help of indication deduced from the *position and movement of the heavenly bodies
*Astronautics - The science involved in space travel
*Astronomy - The study of the heavenly bodies
*Astrophysics - The branch of astronomy concerned with the physical nature of heavenly bodies
*Autecology - The study of the ecology of species
*Aeronautics - Science of fight of Airplanes
*Anatomy - Study of Science relating to the bodily structure of human
*Bacteriology - The study of bacteria
*Biochemistry - The study of chemical processes of living things
*Bioclimatology - The study of effects of climate upon living organisms
*Biology - The study living things, of both flora and fauna
*Biomechanics - The study of the mechanical laws relating to the movement or structure of living organisms
*Biometry - The application of mathematics to the study of living things
*Bionomics - The study of the relation of an organism to its environments
*Bionomy - The Science of the laws of life
*Botany - The study of plants
*Ballistics - Science dealing with the motion of projectile like rockets bombs & shells
*Crystallography - Science of crystallization
*Criminology - The study of crime
*Cytology - The study of cells
*Ceramics - The art and technology of making objects from clay, etc. (pottery)
*Chemistry - The study of elements and their laws of combination and behavior
*Demography - Science of vital and social statistics
*Ethnology - The study of insects
*Epidemiology - The branch of medicine dealing with epidemic diseases
* Ethnography - A branch of anthropology dealing with the scientific description of individual cultures
*Ethology - The study of animals’ behavior
*Eugenics - The study of the production of better offspring by the careful selection of parents
*Epigraphy - The study of ancient inscriptions
*Entomology - Study of insects
*Genealogy - The study of family origins and history. It includes the compilation of lists of ancestors and arranging them in pedigree charts
*Genecology - The study of genetical composition of plant population in relation to their habitats
*Genetics - The branch of biology dealing with the phenomena of heredity and the laws governing it
* Geochemistry - The study of the chemical composition of the earth’s crust and the changes that take place within it
*Geology - The Science that deals with physical history of the earth
*Geomorphology - The study of the characteristics, origin and development of land forms
*Gynecology - The study of diseases of woman’s reproductive organs
*Histology - The study of tissues
*Horticulture - The cultivation of flowers, fruits, vegetables and ornamental plants
*Hydrology - The study of water with reference to its occurrence and properties in the hydrosphere and atmosphere
*Hydrometeorology - The study of the occurrence, movement and changes in the state of water in the atmosphere
*Hygiene - The science of health and its preservation
*Jurisprudence - Science of law
*Lithology - A systematic study of rocks
* Metallography - The study of the crystalline structures of metals and alloys
*Metallurgy - The process of extracting metals from their ores
*Meteorology - The science of the atmosphere and its phenomena
*Molecular Biology - The study of the structure of the molecules that are of importance in biology
*Morphology - The science of organic forms and structures
*Mycology - The study of fungi and fungus diseases
*Neurology - The study of the nervous system, its functions and disorders
*Neuropathology - The study of disease of nervous system
*Numerology - The study of numbers. The study of the date and year of one’s birth and their influence on one’s future life
*Penology - The study of prison management
*Pedagogy- The study of methods of teaching
*Palmistry - The study of the lines on palm of the hand
* Taxidermy - The art of preserving skins of dead animals and words
*Axiology - Studies of cause of disease
*Anemology - Studies of wind
*Angiology - Studies of blood vessels
*Anthropology - Studies of man
*Cardiology - Studies of heart
*Chronology - Studies of dates
*Cosmology - Studies of universe Craniology - Studies of skulls
*Cryptology - Studies of codes
*Cytology - Studies of cells
*Cartography - Studies of map making
*Choreography - Studies of dancing
*Chorography - Studies of napping of a region
*Dactylology - Studies of finger prints
*Dendrology - Studies of trees
*Dermatology - Studies of skin
* Demography - Studies of populations
*Epi-graph - Studies of ancient inscription
*Ecology - Studies of environment
*Endocrinology - Studies of glands
*Entomology- Studies of insects

[CHEMISTRY- THERMODYNAMICS]- for STEM shs & College

*How much heat is required to change a 3kg block of ice at -15°C to steam at 150°C?

[PHYSICS]
A particle of mass m is located on the x axis at the position x=6 and a particle of mass 7m is located on the y axis at position y=3 and a third particle of mass 6m is located off-axis at the position (x,y) = (1,2).
What is the location of the center of mass?