Answer:
Explanation:
Heat is probably the easiest energy you can use to change your physical state. The atoms in a liquid have more energy than the atoms in a solid. There is a special temperature for every substance called the melting point.They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. EXAMPLE: Solid ice melting into liquid
Answer:
174m
Explanation:
We can calculate the power of the sound:
For the intensity to be half of I, then the cover area must be
Then the distance from the source center to this point is
Answer:
one truck load is 2.5*1.5*1 = 3.75m^3
7/3.75 = 1.86 loads,
so 2 trips must be made.
Explanation:
Answer:
People of jallianwala bagh where gathered for a public meeting
1)false
2)true
Explanation:
The number one of true and false is false because the exit was blocked so there was exits it was only blocked
The number two is true because the British general dyar came with the riflemen
