Mass is Kg
Mol is the amount of substance
m is for meters
Answer:
the frame of reference requires deciding where the object's initial position is and which direction will be considered positive.
Explanation:
Answer:
radiation
Explanation:
if there was no radiation there would be an iceage
Answer:
In B: Epb=9J
Explanation:
Potential energy: Ep=mgh where m is the mass, h altitude.
In point A: h=20cm=0.2m
Epa=12=0.2×mg. Thus mg=12/0.2=60N
In point B: Epb=mg×0.15=60×0.15=9J
