Answer:
I THINK IS HALF OF THE ENERGY
Explanation:
PLEASE MARK ME AS BRAINLIEST
The correct answer of the given question above would be the first option. The statement that is true concerning atoms is that, atoms are made of even smaller substances called subatomic particles. Subatomic particles include neutrons, protons, electrons and atomic nuclei. Hope this answer helps.
On a speed-versus-time graph, a straight line that slopes down toward
the right shows that the object is experiencing a constant deceleration.
Answer:
C) Pnew=Poriginal/9
Explanation:
From the given conditions:
Original area, 
New area of the barrel bottom panel after increasing by a factor of 3:

On increasing the radius the area now becomes:


As we know that there will be no increase in the down-force since the height remains constant.
Pressure is given as:

∴New pressure:

