09-12-2018
Physics

contestada

A car is at rest at a red light. When the light turns green, it accelerates to a final velocity of 30 m/s. If the car traveled 100 m, what is the magnitude of the acceleration

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osprey2015 osprey2015

09-12-2018

kinematics

v^2=u^2+2as

v=30, u=0, s=100

900=2a100

9/2=a

4.5m/s^2

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