Science, asked by krish1598, 1 year ago

Please give me answer

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Answered by anamika100403

12unit is the answer
hope it helps...

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mayapushkar10: Ok

krish1598: if a particle distance S =t^2 +2t+1 then its velocity at t=3

krish1598: please reply

mayapushkar10: 15 m/s

anamika100403: I don't know but I think the ans will be 12m/s.......first I have put the value of t as 1 then ans is 4.....and then I put the value of t as 3 then the ans is 16.....then I subtracted 4 from 16 and the answer was 12

anamika100403: I really don't know whether it is correct or not

krish1598: yeah I got it answer is 8

krish1598: we have to derive the given equation and substitute the two value in that derived equation

krish1598: t value

krish1598: a 40 watt bulb is working on 220volts its resistance is

Answered by mayapushkar10

P = VI

E = PT

E = 0.04×10

E = 0.4kWh

Energy in 30 days = 0.4×30

= 12 units

12kWh

mayapushkar10: Mark it as the brainiest

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