yash

Most popular questions and responses by yash
  1. 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

    asked on August 8, 2011
  2. Math

    A ribbon is 3metres long.I need 8pieces of ribbon each 40cm long.How many centimetres shorter is the ribbon than the length I need?

    asked on November 26, 2017
  3. 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'.

    asked on August 8, 2011
  4. math

    the cost of carpeting a room 12 m wide with a carpet of width 85 cm at the rate Rs 120 is Rs 28800. find the length of the room.

    asked on April 3, 2018
  5. SCIENCE(PHYSICS)

    A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train

    asked on May 22, 2011
  6. physics

    A pistol of mass 2kg fires a bullet of mass 50g. The bullet strikes a block of mass 0.5kg. If the block with bullet embedded in it moves with a velocity of 4m/s the recoil velocity of the gun will be..??

    asked on August 28, 2015
  7. maths

    a trapezium with its parallel sides in the ratio16:5,is cut from a rectangle whose sides measure 63m &5m respectively. the area of the trapezium is 4/15 of the rectangle .find the lengths of the parallel sides of the trapezium.

    asked on June 3, 2011
  8. maths

    the cross section of a canal is a trapezium in shape .if the canal is 10m wide at top ,6m wide at bottom & the area of the cross section is 72 sq m ,determine its depth

    asked on June 2, 2011
  9. maths

    a trapezium with its parallel sides in the ratio16:5,is cut from a rectangle whose sides measure 63m &5m respectively. the area of the trapezium is 4/15 of the rectangle .find the lengths of the parallel sides of the trapezium.

    asked on June 2, 2011
  10. SCIENCE(chemistry)

    DRAW A TEMPERATURE TIME PLOT FOR ICE -STEAM TRANSFORMATION. PLEASE DRAW THE PLOT AS I WAS NOT ABLE TO DRAW IT.

    asked on May 23, 2011
  11. SCIENCE(chemistry)

    draw a temperature time plot for ice-steam transformation

    asked on May 22, 2011
  12. SCIENCE(PHYSICS)

    A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km

    asked on May 25, 2011
  13. 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 ?

    asked on August 24, 2012
  14. SCIENCE(PHYSICS)

    A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. PLEASE SOLVE THE QUESTION WITH ANSWER AS I WAS NOT ABLE TO GET THE ANSWER

    asked on May 23, 2011
  15. economics

    Suppose a monopolist faces production function Q = 3KL and demand function Q = 12 − P. Derive the input demand (as a function of Q, r and w) for capital and labor.

    asked on March 31, 2011
  16. Physics

    Two spheres A and B of equal mass are free to move on a smooth horizontal surface. A and B move towards each other with velocity vectors ai+bj and ci+dj r respectively and collide when the line joining their centres is parallel to i. After impact A and B

    asked on April 8, 2015
  17. english

    i am not able to find a a poem on any inanimated thing like snow, chalk candle etc. in about 8-1o lines on net. poem should be of class 9th level can u help me please... regards yash sethia

    asked on June 20, 2011
  18. geometry

    Prove that all altitudes of a rhombus are conqruent

    asked on March 4, 2011
  19. physics

    activity to demonstrate the fact that for a metallic wire of uniform material density and thickness, the resistance increases directly with its length.

    asked on January 30, 2011
  20. History

    rampurva bull capital

    asked on May 23, 2006
  21. Science

    An aeroplane takes off from runway making an angle of 30 horizontally at a speed 500ms find the height attained by the aeroplane after 15s?

    asked on July 8, 2016
  22. 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.

    asked on June 15, 2012
  23. 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

    asked on September 21, 2011
  24. SCIENCE(PHYSICS)

    a train is moving on a straight track n travels at a speed of72km/hr and passes a pole in 3 seconds. find the time taken by the train to pass the bridge of length of 540 m? Sir in the solution i understood why we will get27 sec. but why we will add 3 sec?

    asked on May 27, 2011
  25. SCIENCE(PHYSICS)

    a train is moving on a straight track n travels at a speed of72km/hr and passes a pole in 3 seconds. find the time taken by the train to pass the bridge of length of 540 m?

    asked on May 27, 2011
  26. chemistry

    identification between copper sulphate & zinc sulphate

    asked on June 8, 2010
  27. Math

    While going downstream boat covers a distance in 48km in 6hrs while returning covering the same distance in a task. find the speed of boat and that of river.

    asked on April 10, 2018
  28. Maths

    By picking a natural number randomly upto 100, find the probability of the number being a perfect cube

    asked on March 21, 2017
  29. science

    an object of size 3cm is placed at a distance of 15cm from a convex lens of focal length 10cm calculate the distance and size of image so formed what will be nature of image?

    asked on December 6, 2016
  30. Discrete math

    Consider the following theorem (p -> q): If the quadrilateral ABCD is a square, then its diagonals are perpendicular and have the same length. State the converse (q->p), inverse (~p -> ~q), and contrapositive (~q -> ~p). "->" is an arrow

    asked on March 3, 2016
  31. buisness

    I want a project on 'case study on soft drinks' of about 30 pages which should include information abou history,nature of soft drinks, process of manufacturing and a casestudy on a particular softdrink brand

    asked on December 15, 2013
  32. 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.

    asked on June 15, 2012
  33. SCIENCE(biology)

    define sustainable agriculture

    asked on May 22, 2011
  34. Math

    A ribbon is 3metres long.Can we cut it into 5ocm pieces and have nothing left over?Write the reason why or why not.

    asked on November 26, 2017
  35. math

    i am number between 35 and 45 i am completely divisible by 13 find the number

    asked on April 3, 2015
  36. 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

    asked on June 26, 2011
  37. english

    where will i get the essay in about 500 words on "polluting the environment is dangerous for human existence",prove using present instances

    asked on June 26, 2011
  38. english

    a poem on any inanimated thing like snow, chalk candle etc. in about 8-1o lines poem should be of class 9th level

    asked on June 18, 2011
  39. SCIENCE(chemistry)

    SIR BUT THIS IS ONLY PROVIDED IN THE QUESTION &I HAVE TO COMPLETE IT. (DRAW A TEMPERATURE TIME PLOT FOR ICE -STEAM TRANSFORMATION.)

    asked on May 25, 2011
  40. SCIENCE(PHYSICS)

    A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE IN 3 SECONDS. FIND THE TIME TAKEN TO PASS A BRIDGE OF LENGTH 540m. PLEASE SOLVE THE QUESTION AND ANSWER IT AS I WAS NOT ABLE TO ANSWER IT.

    asked on May 23, 2011
  41. SCIENCE(PHYSICS)

    A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE BIN 3 SECONDS. FIND THE TJME TAKEN TO PASS A BRIDGE OF LENGTH 540m

    asked on May 22, 2011
  1. math

    20% loss

    posted on November 17, 2017
  2. biology

    The synovial fluid between two bones get dried up as the age increases and two bones start rubbing with each other.

    posted on February 10, 2017
  3. science

    I could invent a new toy

    posted on September 23, 2016
  4. Mechanics

    20

    posted on August 3, 2016
  5. chemistry

    The balanced chemical equation for reaction of Ba(OH) and HCl is as follows: Ba(OH) + 2HCl BaCl + 2H O 1 mole Ba(OH) produce 2 moles OH ions. Number of moles of OH ion in solution = concentration of Ba(OH) x volume of Ba(OH) = 0.1 mol L x 0.03 L x 2 =

    posted on April 16, 2016
  6. math

    i am number between 35 and 45 i am completeli divisible by 13 find the number

    posted on April 3, 2015
  7. chemistry

    2/3 mole

    posted on December 21, 2014
  8. US History

    I made a 50/100 by using these answers. Useless

    posted on September 13, 2014
  9. 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

    posted on December 1, 2011
  10. 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

    posted on August 8, 2011
  11. physics

    i cant understand your question

    posted on May 22, 2011