Step-by-step explanation:
E = m/2g(v²-u²)
2g×E = 2g×m/2g(v²-u²)
2Eg = m(v²-u²)
2Eg = mv² - mu²
mu²= mv² -2Eg
mu²/m = mv² -2Eg /m
u²= v² -2Eg
u = √v²-√2Eg
Its Option 2
-3°C < 1°C
Explanation:
The best possible interpretation will be the above.
To show -3 cooler we will use this sign <
Must click thanks and mark brainliest
