1 gallon has 0.133681 cubic feet
Answer:
Catapult on the ground: Normal, gravity
Catapult (I'm assuming launching marshmallow): Reaction of Force Applied
Marshmallow: Force Applied
Explanation:
This is the forces that act on a stationary object and a launched object. The catapult may also experience a force friction if your teacher is taking a more practical sense.
Velocity increases with speed
Answer:
32
Explanation:
the atomic mass is the number of protons and neutrons in the nucleus of an atom
so we will add 16 + 16 = 32
