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in c the speed only stays same for ten second wile it says that the speed remains constant fot 20 seconds... so the graph should be a same line from 10 - 20 sTHE ANS IN MS IS B but I THINK IT is C. plz correct me
It says accelerates so obviously speed would increase exponentially n a curve would be seen,THE ANS IN MS IS B but I THINK IT is C. plz correct me
will u prpr for phy from book? or hav some notes?
Go through Book and then do the past papers
not alwas... even in graph c the speed is increases so the car is accelerating but uniformly ... in graph b the acceleration is first increasing then decreasing....
explain how the answer is d
Yes the weight will be constant.
Note that they say ACIDIC GAS
.. If you will remove less heat from your urine, then you will sweat more to remove that heat. So you are still controlling the body temp; which is good. You are also losing water from both urine and sweat
but y woudnt ethanoic acid not react with it ....
but the er says u can right thth weight increases... so can we write this for other questions as weellll
Mass can never change. Weight changes as W=mg where g is the gravitational pull which increases as you get closer.
My only contribution.The question said AVOID so it hints that it had some quality that would dehydrate us quickly and thus it should be AVOIDED.If it was just a matter of water content we wouldnt have to AVOID it,we could drink all 3,but AVOID shows that it had a detrimental effect.Although I really don't want to start the drink-debate again, for those who say C is the answer; C produces less urine, right. If you go out in the hot day, you will of course sweat, your body does not make you pee anywhere everywhere to get rid of heat
Since they wrote VERY HOT DAY, you will sweat alot. There is something known as homeostasis
Now lets talk about A;
A caused more urine to form. In this hot day, you will of course sweat. Less heat is removed from the urine as compared to sweat. So you will sweat more to get rid of heat. So basically as compared to C, you are passing more urine, and also sweating. Both of them remove water.
Thus you will lose more water, as compared to C, and get dehydrated.
NOTE: please do pay attention to the reference of heat and water distinctly
i corrected my statement....cuz i meant to write the other thing.........wsnt thinking straight....
why dont you guys understand? there can be more than one possible answers to a Q.
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