2001 ford escape spark plug stripped

How much G-Force will there be when a car brakes from 407km/h(253.5mph) to zero in 2.45seconds?

Jan 01, 2009 by Jim | Posted in Physics

The car is 2034.8 kg (4486 lb). Can someone help me calculate how much G-Force will there be and whether it would be enough to knock out a person?
5Gs!! Now that's disappointing. I thought people could withstand 8 Gs.

G-force is an acceleration in comparison to that caused by gravity (9.8 m/sВІ)

First, let's convert 407km/h to m/s. Multiply by 1000 to turn km to meters, and divide by 3600 to turn hrs to seconds.
407 * 1000 / 3600 = 113.1 m/s

Spaghetti Cat | Jan 01, 2009

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