Hey Dave... you need to learn and I want you to improve I believe it to be at the bottom of the hill. Please read your siht homie
Answer:
the velocity of the car is 0.875 m/s
Explanation:

therefore the V of car is 0.875 m
Well if you didn't you could make mistakes, which would lead ,in the best case, at a fail of the circuit , or if it goes out of control it could be dangerous
for example you have to know that the wires become hot and they loose their abbilitys as connecters(the hotter it will, the more energy you lose becouse the R will be bigger)
Answer:
The child represented by a star on the outside path.
Explanation: