science
2 liters of water at 80.c is found into a plastic bucket containing 10 liters of water at 20.c what is the final temperature of water ( density of water 1kg/litre) (neglect the heat gained by bucket and specific heat capacity of water = 1cal/gm.c ?
science
I need help to prepare survey report on "use of mobiles are the need of an hour". Report should contain questions asked during survey, graphical representations etc.
science
I need help to prepare survey report on "use of mobiles are the need of an hour". Report should contain questions asked during survey, graphical representations etc.
Math
5x+3y=23.5 5x+ y=20 +2y=3.5 y=1.75 x=(23.5-3y)/5 x=(23.5-3*1.75)/5 x=18.25
Choudhary
An open knife edge of mass 200g is dropped from hieght 5m on a cardboard. If the knife edge penetrates 2m into the cardboard, the average resistance offered by the cardboard to the knife
thermodynamics
Consider two closed systems A and B. System A contains 3000 kJ of thermal energy at 20°C, whereas system B contains 200 kJ of thermal energy at 50°C. Now the systems are brought into contact with each other. Determine the direction of any heat transfer between the two ...
KENDRIYA VIDYALAYA, PHYSICS
A PROJECTILE HAS SAME RANGE 'R' WHEN MAXIMUM HEIGHT ATTAINED BY IT IS EITHER 'H1' OR 'H2'.FIND THE RELATION BETWEEN,'R','H1','H2'.
science 10
u=22.2m/s a=-2.8m/s2 v=8.2m/s t=? v=u+at (equation) 8.2=22.2+(-2.8)t 8.2-22.2=-2.8t -14=-2.8t ('-' sign is cancelled from both the sides) 14/2.8=t 5=t hence time taken is 5 seconds
english
from where i will get an essay on the topic "the complete development of students is only possible by strict discipline " write for or against the topic
english
where will i get the essay in about 500 words on "polluting the environment is dangerous for human existence",prove using present instances
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