acceleration

Jun 17th, 2015
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Example 1: A car accelerates from rest to a speed of 36 km/h in 20 seconds. What is the acceleration of the car in m/s2? Solution: The initial velocity is 0 (from rest) and the final velocity is 36 km/h

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By: Muhammad Irfan Safdar (M.Sc. Physics)1Chapter 1 - Introduction to PhysicsDEFINITION OF PHYSICSThe science of the nature. Physics is that branch of science which treats of laws andproperties of matter and force acting upon it. The department of natural science (Physics)which treats the causes (Electricity, Head, Light, Magnetism) that modifying the generalproperties of body; natural philosophy.ORPhysics is an important branch of Science which offers the study of matter and energyalong with the interaction between them.BRANCHES OF PHYSICSThere are many branches of physics:1. Electronics"It is the branch of Physics which deals with development of electrons, emitting thedevices and utilization and controlling of electrons flow in electrical circuit designedfor various purpose."2 Kinemetics"It is the branch of Physics which deals with description of motion without referenceto any opposing or external force".3. Optics"It is the branch of Physics which deals with light and its properties.4. Dynamics"It is the branch of Physics which deals with causes of motion and their effects"5. Calorimetery"It is the branch of Physics which deals with measurement of heat".6. Atomic physics"It is the branch of Physics which deals with properties and structure of Atom".7. Mechanics"It is the branch of Physics which deals with motion of particles or bodies under theaction of given force".CONTRIBUTION OF MUSLIMS SCIENTISTS1. IBNE-AL-HAITHAM(965-1039 A.D)

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