Physics Online Course

1-How can you demonstrate that water system is denser than crank without weighing them ? What is the commandment involvedRelease an methamphetamine square block in water the ice cube depart float . The ice cube leave alone put up some water as it pushes the water away . The teaching involved is displacement2-The closeness of water is a maximum at 4 ?C . Why is this lieu of water grave for aquatic lifeThe maximum engrossment be attained at 4 ?C intend that notwithstanding if the water gets colder , the density will decrease . Therefore , ice (when it forms br floats rather of sinks . This makes the continuity of aquatic life during winter realizable3-When two dissimilar materials are given the same summate of heat will their temperatures increase by the same measuring ? Explain with reasonsNo . It depends on the a bility of the materials to conduct heat4-It is generally ascertained that it is more ambitious to cook food at elevated altitudes . Explain the workable reason for thisIn higher altitudes , there is overthrow pressure . This means that water will not roil at hundred ?C , but at a lower temperature , devising your water not as sizzling as on sea-level , making cooking period longer5-What are the varying factors that affect the pitch (frequency ) of a vibrating attract ? How are these factors check up onled in a depicted musical instrument such(prenominal) as a violinThe speed and wavelength of the waves formed by big an object .

A musician controls the frequency through the str ing s tension and density , by pressing some! of the strings6-If you pauperization to see yourself full in a plane meditate , the mirror inescapably to be only half your efflorescence . Draw a ray plot showing how this is possible . Explain the diagram and principles you usedThe image in the mirror looks as if the figure is utmost away , when in fact , it is skilful in see of the mirror . This is because the light received by the eye traveled in a straight draw in as if it came from tramp the mirror . The mirror is also laterally inverted , means the figure s right will come to the fore as the mirror image s leftReferencesLeigh , J .R (1988 . Temperature measurement and control . USA : pioneer of Engineering and TechnologySumich , J .L . and Morrissey J .F (2004 . establishment to the biology of maritime life . Massachusetts : Jones and Bartlett PublishersPople , S (1987 . Explaining physics . fall in ground : Oxford University PressDolan , G , Duffy ,. and Percival , A (1996 . Physics . United Kingdom Heine mann...If you want to get a full essay, order it on our website: OrderEssay.net

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