AP Police PC · General Science
Mechanics, heat, light, sound, electricity and magnetism.
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Q1 · Physics · EASY
A car moving at 20 m/s applies brakes and comes to rest in 4 seconds. What is its deceleration?
Q2 · Physics · HARD
A wire of resistance 8 Ω is bent to form a circular loop. If two points on the loop are connected to a battery such that the loop is divided into arcs with lengths in the ratio 1:3, what is the effective resistance between these two points?