# Posts by Anjali

Total # Posts: 63

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?

maths
Smallest 4 digit number even number using digits 8,0,5.

Math
I am a 2-digit multiple of 50.What number am I?

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?

Math
I am a 2-digit multiple of 50.What number am I?

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?

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 ?

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

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

Maths
OPQR is a rhombus whose 3 vertices P, Q,R lie on the circle with radius 8cm Find area of shaded region.

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

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?

Math
Shantanu's age is 3 years more than Tanya's age.The sum of their ages is 27 years.Find their ages.

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

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 molecular weights is

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)?

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

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?

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

science
What is density of acetone at 23°C

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

physics
Can water be boiled without heating?

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)

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)

Physics
Calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one where s=0.072N/m.

science
A gas at atmospheric pressure is compressed isothermally to one third of its volume. What is final pressure?

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.

physics
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where S=0.072N/m

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

physics
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where s=0.072N/m.

Math
let, p^2-8p+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 and-4 by expanding the equation, we have p^2 (-4-4)p +(-4×-4)=0 p^2 -4p -4p +16=0 p(p-4) -4(p-4)=0 (p-4) (p-4)=0 p-4...

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

chemistry
Battery acid is 4.27MH2SO4(AQ.) And density of 1.25g/ml . What is the molality of H2SO4 in the solution

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

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 shore finally

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?

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 your answer in kPa to ...

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 your answer in kPa to ...

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 your answer in kPa to ...

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.

chemistry
why NH4+ ion is not strong ligand

math
x^3-4x^2+5x-2

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 returns to equilibrium.

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?

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

Chemistry 12
Will a precipitate form if equal volumes of 0.22 M NH4NO3 and 0.22 M KBr are combined? Explain.

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?

phyiscs
1.5*10power13

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.

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.

Social Stuides
Why did the French and Spanish start fighting?

Pre-Algebra
X 9/20*4800= 2160 So X should get \$ 2160.00 instead of \$ 1600.00 X is receiving 2160-1600= \$560 less

statistics
0.0332

maths help!!!!!!!!
An empty 5-gal 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.....

The drama club plans to attend a professional production. From 10 to 35 students will go. There is a one-time handling fee of \$3. Each ticket costs \$25 plus \$2 surcharge. Write a linear function that models this situation. Show the work if possible please!!!! Plz...help!!!

i seriously didn't get any equation with 7 for n! 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 started? a.) n = 5/...

thanks so much...its so easy and i've been thinking about it since the afternoon. thanks!!!!!!

chemistry
At what temperature does benzene boil when the external pressure is 480 torr?

Physics
i think its B

health