stopping distance and momentum

Question 1

equation for stopping distance?

Answer 1

thinking distance + breaking distance

Question 2

what does thinking distance mean?

Answer 2

the amount of time it takes for you to comprehend the thing ahead of you and realize you need to stop.

Question 3

what happens to thinking distance when you double your speed

Answer 3

it doubles too

Question 3

what happens to breaking distance when you double your speed?

Answer 3

it quadruples

Question 4

what 5 factors effect thinking distance?

Answer 4

speed, alcohol, drugs, tiredness, distractions

Question 5

what effects breaking distance?

Answer 5

external conditions e.g. weather

Question 6

the faster you go, the more…

Answer 6

momentum you also have

Question 7

momentum equatinon?

Answer 7

mass x velocity

Question 8

is momentum a vector or a scalar? what does this mean for it?

Answer 8

vector
you have negative momentum if your velocity is negative.

Question 9

what happens to momentum during a collision?

Answer 9

total momentum is always conserved