I hope that the attachment helps you..
I didn’t know water has calories
Answer:
b. The normal force between the molecules of the paper is overcome by the contact force of the hands.
Explanation:
The paper molecules are held together by a weak bond. When the student holds the paper on both sides with the center of the paper in between, the student applies two equal forces in the opposite direction of the paper making the paper molecules weaken and separate.
Answer:
see the attachment
Explanation:
take coordinate system correctly. use formulas of projectile motion