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Anjali
Questions and answers by visitors named
Anjali
Questions (37)
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
3 answers
837 views
A software company started with 2 employees. In 6 months, the company had 7 employees. The number of employees increased in a
5 answers
1,307 views
The drama club plans to attend a professional production. From 10 to 35 students will go. There is a one-time handling fee of
1 answer
446 views
Why did the French and Spanish start
fighting?
7 answers
1,133 views
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
1 answer
673 views
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
1 answer
353 views
1.5*10power13
1 answer
247 views
Mr. Jones grosses $800 per week. He has 6% automatically deposited into his savings account. At the end of the year 3% is added
3 answers
517 views
Will a precipitate form if equal volumes of 0.22 M NH4NO3 and 0.22 M KBr are
combined? Explain.
1 answer
457 views
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
2 answers
838 views
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?
1 answer
418 views
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
2 answers
1,105 views
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
1 answer
920 views
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
1 answer
366 views
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
1 answer
441 views
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
2 answers
1,067 views
calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one. where S=0.072N/m
1 answer
366 views
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
3 answers
1,617 views
A gas at atmospheric pressure is compressed isothermally to one third of its volume. What is final pressure?
1 answer
339 views
Calculate the energy evolved when 8 droplets of water of radius 1/2mm each combine into one where s=0.072N/m.
1 answer
510 views
Can water be boiled without heating?
1 answer
329 views
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?
3 answers
738 views
Bnak offers a loan of 10% per annum compounded semi annually and the effective annual rate is 10.25%
Example: Customer A Customer
1 answer
427 views
Which one of the following is NOT a physical process?
A. Dry ice subliming B. Steam condensing C. Alcohol evaporating D. Melting
3 answers
583 views
Shantanu's age is 3 years more than Tanya's age.The sum of their ages is 27 years.Find their ages.
4 answers
840 views
OPQR is a rhombus whose 3 vertices P, Q,R lie on the circle with radius 8cm Find area of shaded region.
3 answers
645 views
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.
5 answers
2,170 views
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 ?
4 answers
845 views
I am an even number less than 100.One of my factory is 13.I am made two consecutive digit.What number am I?
1 answer
330 views
I am a 2-digit multiple of 50.What number am I?
4 answers
730 views
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?
1 answer
406 views
I am a 2-digit multiple of 50.What number am I?
1 answer
415 views
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
3 answers
672 views
If the dimensions of a tank in which fish will be kept are 40m ×30m×40m. Find the quantity of water ,if the height of water in
1 answer
373 views
a round bar 40mm daimeter is subjected is subjected to an axial pull of 80 KN and reduction in daimeter was found to be 0.00775
3 answers
526 views
Each increase in pressure of 100 atm decreases the melting
point of ice by about 1.0°C. (a) Estimate the temperature at which
1 answer
105 views
What is molarity ? find the molarity of solution containing 9.8grs of H2SO4 in 500 ml solution?
1 answer
62 views
Answers (14)
Three
5NA
9m
Dun public school
X 9/20*4800= 2160 So X should get $ 2160.00 instead of $ 1600.00 X is receiving 2160-1600= $560 less
Adults
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
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)
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)
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
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.
At what temperature does benzene boil when the external pressure is 480 torr?
i seriously didn't get any equation with 7 for n! plz help
i think its B
