Can someone tell me the mcq for that 'Constant but not zero' from the graph?
Resultant Force, seemed the only possible option.
NVM kinetic energy tha i think.
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Can someone tell me the mcq for that 'Constant but not zero' from the graph?
think Option CCan someone tell me the mcq for that 'Constant but not zero' from the graph?
Area under graph.
Triangle + Rectangle.
1
- x 3 x 2.4 + 5 + 2.4
2
The answer was 33.33 for N/cm and and was something big in 3's for the N/m one/
There were four consecutive "a" answers as well as four consecutive "c" answers,
The car was travelling at a constant speed (forward force = backward force) so resultant was zero.It was resultant because either GPE and KE decreased/increased together... the total was same in my belief...
It was resultant because either GPE and KE decreased/increased together... the total was same in my belief...
Wait for the pressure one I wrote 33.33Pa. Pascals, is that okay?
I did the same thing xD But they'll cut down the Pa i think and deduct one mark, maybe, maybe not if they're merciful.
It cant be resultant because the car was moving with uniform speed. Thus resultant will be 0.
Then they wud not have mentioned 75% intead 0.75........it said to define "efficiency"
not "percentage efficiency"
i think
If you did not convert the area from cm^2 to m^2, the answer should have been in N/cm^2. Pa is N/m^2.But why, pressure is measured in Pascals isn't it
I did the same and its right cause I wrote it in Pa which is N/m²....Also the force you get for the larger piston is same if you took both as N/cm² orN/m24 Consecutive "a" and "c" ..., made my day... Btw i took it in N/m2 is it wrong... dont we find distance like this in distance time graph???
I did the same and its right cause I wrote it in Pa which is N/m²....Also the force you get for the larger piston is same if you took both as N/cm² orN/m2
YupFor the second last question, the heat capacity one,
the mass was o.50 kg right ?
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