Answer:
shown in the attachment
Explanation:
The detailed step by step and necessary mathematical application is as shown in the attachment.
Conduction stops when all substances have
2 answers:
Explanation:
When two objects or substances that have different temperature are placed in contact with each other then there will be flow of heat from hotter object to colder object.
This transfer of heat will continue until the temperature of both the objects become equal.
For example, if a metal box has temperature that is higher than another metal box adjacent to it which has
temperature. Then heat will flow from
to
until the temperature of both the boxes become equal to
.
Hence, we can conclude that conduction stops when all substances have same temperature.
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Answer:
Explanation:
When teacher falls into the cliff then she shout for Help at the same time
so here we know that sound will go down and reflect back up
so here in 3 s distance traveled by the sound
now in the same time the distance that teacher will fall down is given as
now total distance traveled by teacher and sound in 3 s
this total distance must be equal to twice the height of the cliff