FYKOS Year 34 Series 1 Problem 2 — brake! · FYKOS 34 #34.1.2

Physics · mechanics

Problem

Karel's car, going at the initial speed of

v_0

, can stop at a distance

s_0

with the constant braking force

F_0

. How many times will the braking distance increase if the initial speed doubles and the braking force stays the same? How many times must the braking force be greater for the car to stop at distance

s_0

with the initial speed

2v_0

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