PHYSICS 1A03 Study Guide - Final Guide: Projectile Motion, Derivative, Circular Motion
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14 Jul 2018
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PHYSICS 1A03 Full Course Notes
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Although the speed doesn"t change there is a constant inward acceleration: free full motion was described as motion with a constant downward gravitational acceleration. The influence of gravity is not restricted to motion that is up and down. The acceleration vector has a constant vertical component of 9. 8 m/s squared downwards and a 0-horizontal component. In horizontal part acceleration is strictly vertical in free fall so we don"t need to account for acceleration here. This means that the velocity is constant so final velocity equals initial velocity: may need to calculate time in x-direction to solve problem in y-direction, acceleration is constant so don"t consider upward and downward motion separately. If an object moves with high speed then its acceleration is high and if an object moves with a low speed then the acceleration is low (no depends on change in v) In projectile motion ax = 0, and ay = g.
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