Because of conservation of energy, ep is equal to ek.
at that point ep=ek
the kinetic energy would be 32,781J
1) Yes 2) No, hope this helps...
Answer:
18kcal
Explanation:
Melting enthalpy of water: 80 cal/g
The melting enthalpy discribes how much heat is needed to melt a substance. So you get the heat by multiplying the mass of your substance with its melting enthalpy.
225g*18cal/g=18000cal=18kcal
Answer:
In my knowledge
Option B. Lava flowed from the moon
and I am pretty sure cause I have read about it and option B is the conclusion I came with lol :D
That's the symbol used for a battery. Actually, it's <em>one cell of a battery</em>, and if there's more than one cell used in the circuit, then the same symbol is repeated in the diagram.
The longer line ... on the left side in this picture ... represents the positive ( + ) side of the cell. The short, fat line on the right is the negative side.
