Answer:
Temperature at the bottom will be 19.18°C
Explanation:
We have given height h = 807 m
Temperature at the top 
Specific heat of water c = 4200 
From energy conservation
Kinetic energy at the bottom = potential energy at the top
So 
So temperature at the bottom = 17.3+1.88 = 19.18°C
Answer:
C
Explanation:
The kicker exerts more force of the football which is why the football moves when its kicked.
Melting, boiling, and freezing are state changes!
Hope this helps! Any questions please just ask! Thank you so much!
Answer:
skateboard b
Explanation:
p=mv
skateboard a
p=(60kg)(1.5m/s)=90kg*m/s
skateboard b
p=(50kg)(2m/s)=100kg*m/s
