because blah blah blah blah
Answer:
Distance that sled move while slowing down= 195.65m
Explanation:
Distance traveled by sled after slowing down=S
acceleration at the start= -2.3 m/s2
initial speed u=30m/s
final speed=v
By using the equation

Final speed is zero.
Therefore;

Answer:
2 and 3
Explanation:
because that's how kinetic and potential energy work
C. Combustion reaction.
These reaction are exothermic.
The reactions are:
2Mg + O2 -----> 2MgO
3Mg + N2 ------> Mg3N2
Each time it gets changed we understand more about it