Answer: car 1 is going how fast
Explanation: no need to answer without speed I won't know distance.
Not 100% but i think it'll cause the earth to rotate slightly slower, its definitely not the last one though
Answer:
The value is 
Explanation:
From the question we are told that
The landing speed is 
The distance traveled is 
The velocity it is reduced to is 
Generally the average acceleration is mathematically represented as

=> 
=> 
Nothing can be determined from the curve without seeing the curve.