The second, fourth, and seventh answers apply. Energy in a closed system is conserved, but it can change form
Landforms result from a combination constructive and destructive forces.
Hope this helps
Answer:
C
Explanation:
F=ma
given solution
v=12m/s a=v/t
s=6 sec =12m/s÷6sec
=2m/s^2 then we get acceleration now we will find the mass. first derive the the formula of mass by crisis cross then you will get this formula which is m=F/a
=36÷2
= 18