In our study of circular motion Projectile motion

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In our study of * circular motion ﺍﻟﺤﺮﻛﺔ ﺍﻟﺪﺍﺋﺮﻳﺔ * Projectile motion ﺣﺮﻛﺔ ﺍﻟﻤﻘﺬﻭﻓﺎﺕ

In our study of * circular motion ﺍﻟﺤﺮﻛﺔ ﺍﻟﺪﺍﺋﺮﻳﺔ * Projectile motion ﺣﺮﻛﺔ ﺍﻟﻤﻘﺬﻭﻓﺎﺕ *tow and three dimensional motion ﺍﻟﺤﺮﻛﺔ ﻓﻲ ﺑﻌﺪﻳﻦ ﻭﻓﻲ ﺛﻼﺛﺔ ﺍﺑﻌﺎﺩ Average acceleration and Instantaneous Average velocity and acceleration instantaneous velocity Position and Displacement

* Circular motion ﺍﻟﺤﺮﻛﺔ ﺍﻟﺪﺍﺋﺮﻳﺔ *Uniform circular motion= constant speed *uniform circular motion is

* Circular motion ﺍﻟﺤﺮﻛﺔ ﺍﻟﺪﺍﺋﺮﻳﺔ *Uniform circular motion= constant speed *uniform circular motion is motion when aparticle moves in circular path at constant speed. *the magnitude of velocty (speed) is constant and the magnitude of acceleration dosbot change *the direction of the velocity changes becaues the velocity is always directed tangent to the circle inthe direction of motion

*al theough the speed constant the particle accelerates because of th chang in the

*al theough the speed constant the particle accelerates because of th chang in the direction of its velocity *The direction is always directed radially inward and it is called acenteripetal acceleration period time magnitude of acceleration

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