5. A car is traveling at 20 0 m/s when the driver sees a child standing in the road. The driver takes8 s to react, then steps on the brakes and slows at 5.0 ms. Once the
brakes are pressed, the car stops in an additional 4 seconds. How far does the car
travel before it stops from when the driver sees the child?

Help please !!

In what direction does an applied force move an object

How many neutrons does plutonium -196 with an atomic number of 78.

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?