Thursday, March 29, 2012

Surfing For Reaction Distance Formula?

Mandy asks…help for physics problem!?A motorist is approaching a green traffic light with the speed v when the light turns to amber.

1)If this reaction time is t during which he makes his decision to stop and applies his foot to the brake, and if the maximum braking deceleration is a, what is the minimum distance D from the intersection at the moment the light turns to amber in which he can bring his car to stop?

(This is what I did)During time t of the reaction, the car is still moving as

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