Sunday

April 20, 2014

April 20, 2014

Total # Posts: 35

**maths**

thanx a ton...u helped me a lot...

**maths**

Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of: i)x/y

**maths**

Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of: i)x/y

**maths**

but its answer is 50sec can u give me the accurate answer with procedure plzz... its very important...

**maths**

Q: oil flows through a pipe at a rate of 40m3/sec. how long will it take to fill a tank of volume 1.2x10^5m3?

**maths**

whats the answer for part (a)

**maths**

Q:a)the number 10 to the power 100 (10000 sexdecillion) is called a googol! if it takes 1/5 second o write a zero and 1/10 sec to write a 'one',how long would it take to write a number 100 googols in full? b)the number 10 to power of a googol is called a googolplex.usi...

**ESL**

what are Advantages and disadvantages of "sports day"?

**chemistry**

the element germanium has a diamond-type structure.describe the structure of germanium.draw diagram

**english**

can u write for me the letter...if u can:-)

**english**

your school has been invited to send a team of students to take part in the association of World Youth Groups.write a letter to your year group,inviting students to become part of the team .in the letter you need to tell them 1)for which activity u r sending a team 2)what kind...

**computer**

what are the similarities and differences between main memory and hard disk.atleast write 5 points.

**computer**

explain the need for back up procedures.describe suitable backup procedures for home,including how often backups should be taken and where they should kept?

**computer,plz...give me answer fast**

a company decides to sell the game on a cd rom instead of many floppy disks ,state 3 reasons why they should do this?

**ICT**

which of the devices uses reflected light to determine the location of pencil marks on test answer sheets and similar form? 1)barcode reader(BCR) 2)magnetic ink character recognition(MICR) 3)optical mark reader 4)mouse

**ICT**

ok thanx ....thanx a lot ^-^

**ICT**

which of the following features is provided with a modem? 1)speeds 2)self testing 3)transmission rate 4)all of these

**ICT**

which one is an important property of fiber cable? 1)noise 2)reflection 3)interference 4)attenuation

**physics,plz.....give me answer as soon as possible**

just do 3rd one

**physics,plz.....give me answer as soon as possible**

plz plz plz.....help me

**physics,plz.....give me answer as soon as possible**

a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the pond.what could be the...

**physics,plzzz....be fast**

1)the cart has a mass of 50kg it moves with a speed of 35cm/sec. *)find the speed of cart in m/sec. *)find the kinetic energy of the cart? 2)an IGCSE student was calculating the power of the cart.he wanted to apply the formula of power.which formula did he use?

**physics**

1)if angle of incidence is 56 and it is decreased by 15 dagree then draw the path of a ray by drawing a diagram by using exact value of angle of incidence and angle of refraction.as refractive index of glass is 1.5. 2)name the phenomenon of light which u observe above.

**physics**

a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the pond.what could be the...

**physics**

plz....gimme the answer...

**physics**

a box having mass of 500kg is placed on a horizontal surface with 120cm lenght and 60cm width.find the pressure exerted on the surface?also write the formula.

**physics**

which one of the property is true for mirror 1-refraction 2-refletion 3-communication 4-measuring length 5-gravity 6-heating object

**physics**

the distance of a girl from a plane mirror is 15m when she is standing infront of it.she can see her image behind the mirror 1- 15cm 2- 30cm 3- 45cm 4- 10

**physics**

a coconut is falling from a palm tree which of these is correct? velocity of coconut p.e of coconut 1-decreasing decreasing 2-increasing decreasing 3-increasing increasing 4-decreasing increasing

**physics**

a bus having mass of 3000kg is moving at 30m/sec.find the momentum of the bus. 1)at the starting point from rest. 2)at the final state while motion at 30m/sec. 3)find the difference of moment in above (1) and (2)

**physics**

a bus having mass of 3000kg is moving at 30m/sec.find the momentum of the bus. 1)at the starting point from rest. 2)at the final state while motion at 30m/sec. 3)find the difference of momentum in above (1) and (2)

**physics**

a)a box having mass of 500kg is placed on a horizontal surface.find the pressure exerted on the surface?do not forget to write formula. b)a pond of water filled with water upto 60m.1)write formula to find the pressure of water exerted on the base of pond.2)calculate the pressu...

**physics**

which two object have masses 20kg and 15kg are placed on a plane surface.Both have same area.Which one is the correct answer for pressure. 1)20kg mass least pressure 2)15kg mass least pressure 3)20kg mass most pressure 4)both have same pressure

**chemistry**

Sulfer trioxide, SO3, is made industrially in enormous quantities by combining oxygen and sulfer dioxide, SO2. What amount (moles) of SO3 is represented by 1.00 kg of sulfur trioxide? How many molecules? How many sulfer atoms? How many oxygen atoms?

**physics**

A small cup of green tea is positioned on the central axis of a spherical mirror. The lateral magnification of the cup is +0.312, and the distance between the mirror and its focal point is 2.48 cm. What is the distance between the mirror and the image it produces?

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