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Posts by Swati

Total # Posts: 21

physics
Consider a drop of mass 1g falling from a height 1km.what is work done by gravity?

Geography
What is the time and day at a certain place on 60°w longitude when it is 5:30 am on friday at a place 90 ° E longitude ?

Science
A pump is used to lift 500 kg of water from a depth of 80 m in 10 seconds.Calculate the power rating of the pump if it's efficiency is 40% . Take g=10 m/ s*s.

Trignometry
If sin theta = 3 sin (theta+2alpha) then value of tan (theta+alpha)+2alpha is what ?

chemistry
when zinc graurles are dipped in copper sulphate solution write balance equation?

physics
A block of mass 3kg which is on a smooth inclined plane making an angle of 30° to the horizontal is connected by a cord passing over a light frictionless pulley to a second block of mass 2kg hanging vertically. What is the acceleration of each block and what is the tention...

khalsa model senior secondary school
A block of mass 3kg which is on a smooth inclined plane making an angle of 30° to the horizontal is connected by a cord passing over a light frictionless pulley to a second block of mass 2kg hanging vertically. What is the acceleration of each block and what is the tention...

Physics
A point source of light is placed at the centre of the bottom of a jar having a liquid of refractive index 5/3.An opaque disc of radius 1.0 cm is placed on the liquid surface with its centre vertically above the source.What is the maximum height of the liquid for which the ...

Physics
A ray of light which is incident in air on the surface of the glass block is deviated through 15 degree. The angle of incidwnce in air is 60 degree.What is the angle of refraction in glass?Also calculate the critical angle for glass air interface.

physics
A fish is rising vertically to surface of a lake at rate of 2 m/s observes a bird diving vertically towards water at 4 m/s. The refractive index of water is 4/3. what is actual velocity of bird

chemisrty
how many ml of a .1M HCl are required to react completely with 1 gm mixture of Na2CO3 ?

maths --plse help me..
A villager Itwaari has a plot of land of the shape of a quadrilateral. The Gram Panchayat of the village decided to take over some portion of his plot from one of the corners to construct a Health Centre. Itwaari agrees to the above proposal with the condition that he should ...

Chemistry
I think it is U or CL not very clear on the paper. IS there anyway to explain the diagram.

Chemistry
CH3(C2H5)CHC(C2H5)UCH(CH3)CH((C2H5)2) Looking for skeletal diagram and formula

Chemistry
(CH3)2CHCH2CH(CH2CH2CH2CH3)CH2CH(CH3)CH((CH3)2) Looking for skeletal diagram and name of formula.

physical education
Aerobic exercise gives equal working out to all the parts of the body, in tune with a beat. Therefore, plain exercise may not work out different body areas with the same vigor and in the same time intervals that aerobic exercises do. Hence, they are more beneficial for ...

math
An edge of a cube is increased by 10%. Find the percent by which the surface area o fa cube has increased?

Biology
Producers. C.

Algebra
37

grade 9 math
How about the triangle formed by the wall and the rope giving the hypotenuse? Ms Sue

grade 9 math
can you please help me with this question, i'm completely lost. talia's uncle owns a warehouse and he has given Talia an area in which to store the computer supplies for his company. her uncle gave Talia 40 m of rope and told her to section off a rectangular area in a ...

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