anjali
Most popular questions and responses by anjali
chemistry
Battery acid is 4.27MH2SO4(AQ.) And density of 1.25g/ml . What is the molality of H2SO4 in the solution
asked on May 3, 2015 
physics
a rain drop of radius 0.3mm has a terminal velocity in air 1m/s. the viscosity of air is 18×10^5 dyne cm^2 s. find the viscous force on the rain drops in newton.
asked on January 17, 2016 
maths help!!!!!!!!
An empty 5gal water jug weights 0.75lb. with 3 c of water inside, the jug weighs 2.25 lbs. Predict the weight of the jug with 5 c of water inside. Plz explain how to do this.....
asked on October 7, 2008 
Chemistry
A system at equilibrium contains I2(g) at a pressure of 0.23 atm and I(g) at a pressure of 0.24 atm. The system is then compressed to half its volume. Find the pressure of I2 when the system returns to equilibrium. Find the pressure of I when the system
asked on February 25, 2012 
Math
I am a 2digit multiple of 50.What number am I?
asked on June 13, 2017 
chemistry
when 2g of a gas A is introduced into an evacuated flask kept at 25 centigrade, the pressure is found to be 1 atmosphere.if 3g of another gas is then added to the same flask, the total pressure becomes 1.5atm. assuming ideal behaviour, the ratio of their
asked on October 9, 2016 
Science
A stone is dropped from a balloon going up with a uniform velocity of 5 M per second. If the balloon was 50 M high when the stone was dropped, find it height stone hits the ground
asked on January 10, 2019 
physics
A box accidentally falls from the back of a truck and hits the groud with a speed of 15m/s forward. It slides along the groud with uniform acceleration for a distance of 45m before coming to rest. Determine the time it takes to slide the last 10m.
asked on October 28, 2010 
Maths
OPQR is a rhombus whose 3 vertices P, Q,R lie on the circle with radius 8cm Find area of shaded region.
asked on March 1, 2017 
Physics
A body of mass 0.1 kg is being rotated in a circular path of diameter 1 m on a frictionless horizontal plane by means of a string. It performs 10 revolutions in 31.4 sec, calculate the centripetal force acting on the body
asked on August 11, 2011 
Social Stuides
Why did the French and Spanish start fighting?
asked on October 26, 2010 
Grade 11 maths plz help!!!
A software company started with 2 employees. In 6 months, the company had 7 employees. The number of employees increased in a steady rate. Which equation models the relationship between the number of employees n and the number of months m since the company
asked on September 23, 2008 
Math
Shantanu's age is 3 years more than Tanya's age.The sum of their ages is 27 years.Find their ages.
asked on January 17, 2017 
math
Mr. Jones grosses $800 per week. He has 6% automatically deposited into his savings account. At the end of the year 3% is added to the account. How much will he have in his savings account at the end of the first year after the interest is added?
asked on January 8, 2011 
Physics
Calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one where s=0.072N/m.
asked on January 17, 2016 
physics
A car is travelling along the road at 8m/s.IT accelerates at 1m/s for a distance of 18m.how fast is it then travelling?
asked on May 24, 2016 
Math
I am an even number less than 100.One of my factors is 13.I am made from two consecutive digits.What number am I?
asked on June 14, 2017 
Physics
Find the refractive index of a transparent medium in which light travels with a speed of 1.8×10^8m/s.Given that speed of light in vaccum is 3×10^8m/s?
asked on June 22, 2017 
maths
the sumof three positive numbers is 26.the second number is 3times as large as the first.if te sum of the squares of these numbers is least find the numbers
asked on June 12, 2016 
maths
A tree casts a shadow 4 metre long on the ground, when the angle of elevation of the sun is 45°.find the height of the tree
asked on March 4, 2017 
Grade 11 maths!!!
The drama club plans to attend a professional production. From 10 to 35 students will go. There is a onetime handling fee of $3. Each ticket costs $25 plus $2 surcharge. Write a linear function that models this situation. Show the work if possible
asked on September 23, 2008 
chemistry
why NH4+ ion is not strong ligand
asked on February 1, 2013 
the portuguese man of war
How long has the potuguese man of war been around? How long does it live? Does it have a ruler or queen like in an ant colony?
asked on December 4, 2011 
maths
Ravi bought a leather Coat costing Rs. 900 at Rs.990 after paying the VAT charged on the coat.
asked on September 10, 2017 
Math
I am an even number less than 100.One of my factor s is 13.I am made from two consecutive digits.What number am I ?
asked on June 2, 2017 
finance math
Bnak offers a loan of 10% per annum compounded semi annually and the effective annual rate is 10.25% Example: Customer A Customer A negotiated a $10,000 loan to be repaid monthly over 5 years. How much is the monthly installment (payment)?
asked on August 1, 2016 
science
A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground at rate 2 cm/s . How fast is its height on wall decreasing when foot of ladder I'd 4 m
asked on May 17, 2016 
science
A gas at atmospheric pressure is compressed isothermally to one third of its volume. What is final pressure?
asked on January 17, 2016 
Science
A constrained string with a length of 8.5 meters is vibrating at its fundamental frequency of 113.1 Hz. What is the frequency of the 7th harmonic on this string?
asked on May 8, 2013 
PHYSICS
A CAR IS BEING DRIVEN BY AFORCE OF 2.5*10POWER10N.TRAVELLING AT ACONSTANT SPEED OF 5m/s,IT TAKES 2 MINUTES TO REACH A CERTAIN PLACE.CALCULATE THE WORK DONE.
asked on October 29, 2010 
Math
I am a 2digit multiple of 50.What number am I?
asked on June 14, 2017 
science
near point of an eye is 50 cm and far point is 4 m . Which lenses should be use t read as well as see movie clearly?
asked on January 23, 2017 
Chemistry
Which one of the following is NOT a physical process? A. Dry ice subliming B. Steam condensing C. Alcohol evaporating D. Melting ice E. Gold plating jewelry
asked on October 30, 2016 
physics
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where S=0.072N/m
asked on January 17, 2016 
pcshysi
a man weighing 80 kg is standing on a trolly weighing320 kg the trolly is resting on a horizontal rails if the man start walking on the trolly along the rails at the speed 1 m/s then after 4s his displacement relative to ground will be
asked on October 18, 2014 
physics
a person of mass 80 kg standing on a boat of mass 320 kg which at rest in still water the person is initially 12m from the shore the person walk on boat for 6 sec with a constant speed 1 m/s toward the shore and then stop distance of the person from the
asked on October 18, 2014 
physics
a 40 kg student is riding a bicycle to school. the bicycle has a mass of 12 kg. the area that each tire makes contact with the road can be approximated by a rectangle of dimensions 6 cm x 4 cm. what is the pressure that each tire exerts on the road? give
asked on April 10, 2013 
physics
a 40 kg student is riding a bicycle to school. the bicycle has a mass of 12 kg. the area that each tire makes contact with the road can be approximated by a rectangle of dimensions 6 cm x 4 cm. what is the pressure that each tire exerts on the road? give
asked on April 10, 2013 
physics
a 40 kg student is riding a bicycle to school. the bicycle has a mass of 12 kg. the area that each tire makes contact with the road can be approximated by a rectangle of dimensions 6 cm x 4 cm. what is the pressure that each tire exerts on the road? give
asked on April 10, 2013 
maths
Smallest 4 digit number even number using digits 8,0,5.
asked on June 19, 2017 
Math
I am an even number less than 100.One of my factory is 13.I am made two consecutive digit.What number am I?
asked on June 13, 2017 
math
four positive number are in a.p. If 5,6,9 and 15 are added respectively to these no.,we get a g.p. ,then common ratio of g.p. And commo difference of a.p. Is
asked on April 17, 2017 
math
Nikita sold two wheeler through agent she got Rs 17150 for it after paying agrnt if commission was paid at 2% find selling price
asked on February 11, 2017 
science
What is density of acetone at 23°C
asked on March 14, 2016 
physics
Can water be boiled without heating?
asked on January 17, 2016 
physics
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where s=0.072N/m.
asked on January 17, 2016 
math
x^34x^2+5x2
asked on September 8, 2012 
Chemistry 12
Will a precipitate form if equal volumes of 0.22 M NH4NO3 and 0.22 M KBr are combined? Explain.
asked on March 10, 2011 
phyiscs
1.5*10power13
asked on October 29, 2010

Differentiation
Tnx sir this helped a lot
posted on July 2, 2019 
Science
B
posted on June 20, 2019 
Balancing chemical equations
😍😘
posted on May 22, 2019 
Math
15÷2540
posted on March 23, 2019 
chemistry
5NA
posted on April 1, 2018 
math
9m
posted on February 22, 2018 
kashinath palod
Dun public school
posted on July 16, 2017 
maths plse help me..
16
posted on February 4, 2017 
PreAlgebra
X 9/20*4800= 2160 So X should get $ 2160.00 instead of $ 1600.00 X is receiving 21601600= $560 less
posted on January 13, 2017 
health
Adults
posted on November 5, 2016 
Math
length of floor of dining space=400cm breadth=300cm area=400Ã—300 =120000cm^2 length of tile=8cm breadth=5cm area of one tile =8Ã—5 =40cm^2 tiles required =120000/40 =3000 tiles
posted on January 17, 2016 
Math
let, p^28p+k =0 then,we have to find two numbers whose sum is 8 and product is k and then by solving the equation, we will get 0. so,such numbers are 4 and4 by expanding the equation, we have p^2 (44)p +(4×4)=0 p^2 4p 4p +16=0 p(p4) 4(p4)=0
posted on January 17, 2016 
math
probability for one dice=4 which are (2,4,5,6) for a pair of dice=16 which are (2,2) (4,2) (5,2) (6,2) (2,4) (4,4) (5,4) (6,4) (2,5) (4,5) (5,5) (6,5) (2,6) (4,6) (5,6) (6,6)
posted on January 17, 2016 
math
probability of coming an even number or a number greater than 3 in a dice=4 which are (2,4,5,6) for a pair of dice=16 which are (2,2) (4,2) (5,2) (6,2) (2,4) (4,4) (5,4) (6,4) (2,5) (4,5) (5,5) (6,5) (2,6) (4,6) (5,6) (6,6)
posted on January 17, 2016 
Maths
total marbles=64 ratio of red and blue marbles=3:5 let the red marbles=3a then,the blue marbles=5a so, 3a+5a=64 8a=64 a=64/8 a=8 then the blue marbles=5×8 =40
posted on January 17, 2016 
maths
let base of parallelogram =a then altitude will be=3a area of parallelogram=base × altitude =a× 3a 192=3a^2 192/3=a^2 64=a^2 8=a so,base=8cm altitude=8×3 =24cm
posted on January 17, 2016 
statistics
0.0332
posted on May 3, 2015 
Money and Banking
I believe the correct answer should be c) Investment banks and the big 5 are just branches of each other, they do the same thing.
posted on March 31, 2013 
chemistry
At what temperature does benzene boil when the external pressure is 480 torr?
posted on January 26, 2013 
Grade 11 maths plz help!!!
i seriously didn't get any equation with 7 for n! plz help
posted on September 23, 2008 
maths help please!!!!
thanks so much...its so easy and i've been thinking about it since the afternoon. thanks!!!!!!
posted on September 21, 2008 
Physics
i think its B
posted on July 7, 2008