Question

plss give answer for this i will mark brainliast​

Answer 1

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i) he would observe that the air bubbles will come out from the water in the beaker below the round bottom flask.

ii) after seeing this we can conclude that after heating gas it gets kinetic energy and starts moving and the gas particles become more active.

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Answer 2

Answer:

Answer:

Power (P) =2kw =2000w

Power(P) in watts =J/s

1 watts = 1 J/s

Therefore , 2000w = 2000 J/s

One minute = 60 seconds

Power (P) is also given by

P= Work done ( W )/( t ).....( 1 )

w = mgh

Height (h) = 10m

g = 9.8m/s2

Applying all the above data in equation( 1 )

P=(m×9.8×10) / 60

Therefore, m = 1224.489 Kg

Thus , the electric pump can lift 1224.489 Kg , every minute to height of 10 m.

I wish it was helpful for you.