Ann is driving down a street at 60 km/h.
Suddenly a child runs into the street.
If it takes Ann 0.72 s to react and apply the
brakes, how far will she have moved before
she begins to slow down?
Answer in units of m.
Well, let's do the math...but first, let me put on my imaginary driving glasses.
*Squints and adjusts glasses*
Okay, let's calculate the distance Ann will have moved before she starts slowing down.
First, we need to find out how far Ann would travel in 0.72 seconds at a speed of 60 km/h. We can convert 60 km/h to meters per second by multiplying it by 1000m/3600s.
So, 60 km/h * (1000 m/3600 s) = 16.67 m/s.
Now, we need to find the distance Ann will travel in 0.72 seconds at the speed of 16.67 m/s. We can do this by multiplying the time (0.72 s) by the speed (16.67 m/s).
0.72 s * 16.67 m/s = 12.01 m.
Therefore, Ann will have moved approximately 12.01 meters before she even starts to slow down.
Just remember, safety first! Keep an eye out for those speedy children! *Honk honk*