Wednesday
May 25, 2016

Homework Help: Health: First Aid

Recent Homework Questions About First Aid

Chemistry
Phosphorus fertilizers are derived from phosphate rocks, called florapatite, Ca5(PO4)3F. Fluorapatite is insoluble in water, so it must first be dissolved using excess sulfuric acid to form water soluble calcium dihydrogen phosphate Ca(H2PO4)2. If a posdered 5 gram sample of a...
Sunday, March 27, 2016 by Mae

math
geoff planted dahlias in his garden. dahlias have bulbs that divide and reproduce underground. in the first year, geoff's garden produced 8 bulbs. in the second year, it produced 16 bulbs, and in the third year, it produced 32 bulbs. if this pattern continues, how many ...
Sunday, March 27, 2016 by s c r e a m i n g

Pre calc 11
Sum of first 12 terms of arithematic series is 186, 20th term is 186. Wat is sum of the first 40 terms
Sunday, March 27, 2016 by Amansandhuwilldie

math
A company is making detergent out of soap and water. They made one batch that has 30% soap and another batch which is 60% soap. If they mix 600 liters of the first batch with 300 liters of the second batch, what percent of soap will be in the detergent?
Sunday, March 27, 2016 by Anonymous

computer
draw a flowchart and write the algorithm for printing the first 10 even numbers
Sunday, March 27, 2016 by kiran

math
i am a 3 digit number the sum of my digits is 10 my first digit and my last digit are the same one of my factors is 7 what number am i? A 181 B 262 C 343 D 505 CHOOSE ONLY ONE!!
Saturday, March 26, 2016 by jennifer

physics 1
A 3.50 kg ball with a velocity of 10.00 m/s collides with a stationary ball with a mass of 5.00 kg. After the collision, the first ball travels at a 42.6 degree angle from its original path, while the second ball travels at a -26.7 degree angle from the other ball's ...
Saturday, March 26, 2016 by i

Finance
. On the day that you were born, your grandfather opened a savings account in your name. At that time, he deposited a certain amount of money into the account, and has deposited the same amount on each of your first 20 birthdays. Today is your 21st birthday. Your grandfather ...
Friday, March 25, 2016 by Later

math
I am a three digit number the sum of my digits is 10. my first digit and my last digit are the same what number am i? A 181 B 262 C 343 D 505
Friday, March 25, 2016 by lilly

Algebra 1
Fred would like to get at least a C in the class. He got a 68 on the first test. Write an inequality and then solve to find out what Fred would need to get on his next test to have a C in the class. • C≥68 (I honestly do not know how to even start this out.)
Friday, March 25, 2016 by Jade

Probability
The letters in the word MATHEMATICS are arranged randomly. What is the probability that the first letter is E? Preview What is the probability that the first letter is M?
Friday, March 25, 2016 by Samuel

Calculus
Suppose x; y, and z are positive numbers that sum to 10. What is the largest possible value of xy + xz + yz? (a) First, suppose that z is a fixed parameter. Then we have to find nonnegative numbers x and y (depending on the fixed value z such that x+y = 10-􀀀z), such ...
Friday, March 25, 2016 by Sarah

Math
Mrs. Mati is setting up two rest stops for a race. There are 24 gallonsvof lemonade total at the two stops.The second stop has twice as many as the first stop.How many gallons of lemonade are at each rest stop?
Friday, March 25, 2016 by Alaina

Statistics
A flower shop wishes to add the valuable Waimea orchid to its product list. They purchase a large shipment of bulbs from a supplier in Kauai. It is established by Mendelian theory that the predominant colors in the Waimea orchid (blue, red, violet, orange) will occur with the ...
Thursday, March 24, 2016 by John

economy
Can you please help me solve the first problem of Working with the Data in Chapter 4 (page 136 #1) of Macroeconomics Fifth Edition by Stephen D. Williamson? I need all the steps of how to solve the problem 1. The employment-population ratio, from the Current Population Survey...
Wednesday, March 23, 2016 by boby

FL
C++ applications. Concepts tested by this project • Loops • File processing • Previously mastered course topics Beverage Orders A high-end coffee shop has just hired you as their senior programmer. They have tasked you to design and implement two C++ ...
Wednesday, March 23, 2016 by LAUR

English
There are 7 classes for first year students. Each class is composed of about 30 students. Emily is a student of Class 1-2. One of his classmates who went to the same elementary school asks: Which class are you in? What is the answer to the question? 1. I'm in Class 1-2. 2...
Wednesday, March 23, 2016 by rfvv

English
I'm writing an essay in English on whether learning always has a positive effect on a persona life. I said that it does. I need another main idea. My first one is learning can help us learn from our mistakes. I also need an example from literature or history. Please help!!!!
Wednesday, March 23, 2016 by Anonymous

Geometric progression
sum of 4 terms of g p is 30 & sum of first and last term is 18 . Find gp a(r^4-1)/(r-1) = 30 a + ar^3 = 18 a(1+r^3) = 18 it's easy to see that if a=2, r=2 Does that work on S4? 2*15/1 = 30. Yes So, the GP is 2,4,8,16,... But sir I want not logic proof , please give ...
Wednesday, March 23, 2016 by Venkatesh

math
2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern continues, how many...
Tuesday, March 22, 2016 by Olive

math
2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern continues, how many...
Tuesday, March 22, 2016 by Olive

math
Can you check my answers please? Thank you Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? ...
Tuesday, March 22, 2016 by Anonymous

Math Probability
Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? Enter your answer as a simplified fraction. ...
Tuesday, March 22, 2016 by PleaseHelpCheckMyAnswers

Algebra
The first group was responsible for making 160 suits while the second group was responsible for making 25% fewer suits in the same amount of time. The first team made 10 more suits each day than the second team and finished its job 2 days before the deadline date. How many ...
Tuesday, March 22, 2016 by Andrew

Math
While bowling with friends, Brandy rolls a strike in 5 out of 10 frames. What is the experimental probability that Brandy will roll a strike in the first frame of the next game? Enter your answer as a simplified fraction. Is it 5/10 probability and 5/10 simplified is 1/2 ...
Tuesday, March 22, 2016 by Anonymous

physics
Radio waves of wavelength 163 m from a galaxy reach a radio telescope by two separate paths as shown in the figure below. One is a direct path to the receiver, which is situated on the edge of a tall cliff by the ocean, and the second is by reflection off the water. As the ...
Tuesday, March 22, 2016 by Anonymous urgent

math
sum of 4 terms of g p is 30 & sum of first and last term is 18 . Find gp
Tuesday, March 22, 2016 by Venkatesh

math
The Fernandez family drove 273 miles in 5.25 hours. How far would they have driven at that rate in 4 hours? A rectangle made of square tiles measures 10 tiles long and 8 tiles wide. What is the width of a similar rectangle whose length is 15 tiles? While bowling with friends, ...
Tuesday, March 22, 2016 by Anonymous

HOW TO START YOUR OWN CHILD DAY CARE FACILITY
Which one of the following is an advantage of setting up a family day care home? A. You can obtain a tax-exempt status. B. You can enroll as many children as you wish. C. You'll be eligible for federal aid. D. Your own child or children will have children to play with.
Tuesday, March 22, 2016 by Anonymous

physics
Radio waves of wavelength 163 m from a galaxy reach a radio telescope by two separate paths as shown in the figure below. One is a direct path to the receiver, which is situated on the edge of a tall cliff by the ocean, and the second is by reflection off the water. As the ...
Tuesday, March 22, 2016 by Anonymous urgent

Math
The school store opened on the first day of scroll with 56 notebook and 24 pencils. Within two days it sold all of these items. On the first day, twice as many notebooks were souls as pencils. On the second day for every 5 notebooks sold, 2 pencils were old. How many notebooks...
Monday, March 21, 2016 by Manuel chua

Math
Jerry started doing sit-ups every day. The first day he did 19 sit-ups. Every day after that he did 2 more sit-ups than he had done the previous day. Today Jerry did 41 sit-ups. Write an equation that could be solved to find the number of days Jerry has been doing sit-ups, not...
Monday, March 21, 2016 by Merio

Algebra 2
Q: Write a quadratic equation with integral coefficients whose roots are -6+i and -6-i My Answer: x^2+12x+37 (first) sum=-12 product=37 (then) write equation using formula x^2-(sum)x+product Is my work and answer correct?
Monday, March 21, 2016 by Bryan

Math
Is it easier to evaluate n^0 w^0 for n=-2 and w=3 by simplifying first or by substitute first ? explain
Monday, March 21, 2016 by Anonymous

English
When assembling a writing plan for an essay, which of the following should come first? A. Material that catches the reader's interest B. The first section of the body of your essay. C. A brief summary of your conclusion (D. The general idea of your essay) Correct me if ...
Monday, March 21, 2016 by Jocelynn

History
Four major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including ...
Monday, March 21, 2016 by jai

math
Antoine went on vacation. His room cost $115.62 each night. His flight there cost $45.70. His flight home cost $32.49. He averaged $15.00 per day on food. On the first day Antoine won $75.00. On the last day he lost $25.00. If he stayed for 3 nights and 4 days, how much did ...
Monday, March 21, 2016 by Ingrid

U.S. Government
The authors of the Federalist Papers stated that when framing a government the government must first be able to control the governed and also be able to control itself. To what extent were the founding fathers successful in implementing these goals?
Monday, March 21, 2016 by Troy

Pre Algebra
Describe the speed of the remote-control car over time. A. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 seconds, increases to 5 mi/h in the next 2 seconds, and then remains at 5 mi/h for the last 5 seconds. B. The speed of the car increases from 4 mi/h ...
Monday, March 21, 2016 by Summer

math
Amanda has a ribbon that is 1-meter long. She wants to put a bead at every of a meter. She puts the first bead at and the last bead is at 1 meter. Which number line shows the correct placement of beads if Amanda puts them at every of a meter? A. B. C. D.
Monday, March 21, 2016 by mom

Pre Algebra
Describe the speed of the remote-control car over time. A. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 seconds, increases to 5 mi/h in the next 2 seconds, and then remains at 5 mi/h for the last 5 seconds. B. The speed of the car increases from 4 mi/h ...
Monday, March 21, 2016 by Summer

Physics
A transparent photographic slide is placed in front of a converging lens with a focal length of 2.41 cm. An image of the slide is formed 13.0 cm from the slide. (a) How far is the lens from the slide if the image is real? (Enter your answers from smallest to largest starting ...
Monday, March 21, 2016 by Deaven

Chemistry
The first part of this questions answer is 4.291975376e-4 What mass of KI must be added for PbI2 to form? Answer in units of g.
Sunday, March 20, 2016 by Jacaria

math
You are on a 650-mile trip by car. Your car used eight gallons of gas to travel the first 210 miles of the trip at the same rate. How much more gas will you need to make it the rest of the way?
Sunday, March 20, 2016 by 7

maths
A car travels 40 miles per gallon of petrol. How many kilometres can it travel on 5 gallons of petrol? (From a KS2 CGP SATs question book). The solution in the book says 40/5 = 8 8x8=64 64x 5 = 320Km I get the 64x5 =320Km, but not the first bit. Can anyone help please?
Sunday, March 20, 2016 by Anna

mathematics-Algebra
I think of two whole numbers;the product of the average of the sum and difference of the numbers and the difference of the sum and difference of the numbers is 12.if three times the first added to the second makes up 11..find the two numbers please show workings #thanks
Sunday, March 20, 2016 by p1

Math
Mildred has a bag of coins the back contains 10 dimes five Nichols and one penny to randomly select two coins from the bad one at a time with the replacement what is the probability that Mildred Will select the dime first then a penny
Saturday, March 19, 2016 by Carlo

english
“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things about others, yet, how often have we said something similar? I believe our society is based on the superficial things, which we categorize people ...
Saturday, March 19, 2016 by HELP

english
“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things about others, yet, how often have we said something similar? I believe our society is based on the superficial things, which we categorize people ...
Saturday, March 19, 2016 by HELP

Math
In the expansion of (ax +by)^8, the first three terms are 256x^8, 6144x^7y and 64512x^6y^2. Find the values of a and b
Friday, March 18, 2016 by Rose

Math
A hospital was out of juice at the end of September. They bought 200 cases on October 1 at $10/each and 200 more cases on November 1 at $12. There were 100 cases left at the end of October. What is the total of the first case expensed on November 2nd?
Friday, March 18, 2016 by Alex

7th Grade Science
Hi, I really need help with this. I'm supposed to find information about biodiversity and fishing or housing and answer these two questions: "What challenges does [your topic] pose to biodiversity? What do you think should be done and why?" The websites my school...
Friday, March 18, 2016 by Music Lover 14

sgfrsargehw
. A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the next 5 seconds, and then slows to a stop during the next 5 seconds
Friday, March 18, 2016 by BLOBBY

Math
A hospital was out of juice at the end of September. They bought 200 cases on October 1 at $10/each and 200 more cases on November 1 at $12. There were 100 cases left at the end of October. What is the total of the first scare expensed on November 2nd?
Friday, March 18, 2016 by Alex

Math
Find two numbers whose sum is -64, if twice the first is 1 more than the second
Friday, March 18, 2016 by Anonymous

Math
A new car typically loses 20% of its initial value during the first year. During the second year, the car loses 15% of its value after the first year. Find the value of the car($18,000) after the first year and after the second year.
Thursday, March 17, 2016 by Anonymous

math
a box contains seven red marbles, five green marbles & eight blue marble. a marble is drawn at random & is replaced. a second marble is then drawn from ther jar. find the probabilty that the first marble is red & second is green
Thursday, March 17, 2016 by thomas

Math
Shawn earns $3.50 per hour for the first 40 hours worked in a week and $20.25 per week, for hours over 40. If he earns $661.50 in one week, how many hours did he work?
Thursday, March 17, 2016 by Anonymous

Math
A new car typically loses 20% of its initial value during the first year. During the second year, the car loses 15% of its value after the first year. Find the value of the car after the first year and after the second year.
Thursday, March 17, 2016 by Sidney

Math
An automobile manufacturing plant produces cars according to a fixed pattern. During one day, the first five cars have the following colors and equipment. blue with a stereo and dark interior white with a stereo and light interior green without a stereo and with a light ...
Thursday, March 17, 2016 by Sandy

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
Wednesday, March 16, 2016 by Helen

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
Wednesday, March 16, 2016 by Helen

Marh
An automobile manufacturing plant produces cars according to a fixed pattern. During one day, the first five cars have the following colors and equipment. blue with a stereo and dark interior white with a stereo and.light interior- green without a stereo and with light....
Wednesday, March 16, 2016 by Sandy

Mathematics- abstract maths
If I am a three digit number and my first digit is seven less than second digit and the second digit is four times that of third digit. What digit am i?
Wednesday, March 16, 2016 by p1

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
Wednesday, March 16, 2016 by Helen

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
Wednesday, March 16, 2016 by Helen

physics
two trains pass each other on parallel track. the first is 180m and travel at 60k/m. the second is 120m and travel at 46k/h. calculate the total time taken to pass each other. (a) if travelling on the same direction (b) if travelling on opposite direction. thanks....... ...
Wednesday, March 16, 2016 by mr. peee

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
Wednesday, March 16, 2016 by Helen

Chemistry
If I am doing a fractional distillation, is the temperature of the first few drops of the distillation considered part of the boiling range? Or do you wait until later in the distillation?
Wednesday, March 16, 2016 by Danny

statistic
X is a normally distributed random variable X with mean 15 and standard deviation 0.25. Find the values xL and xR of X that are symmetrically located with respect to the mean of X and satisfy P(xL < X < xR) = 0.80. (Hint. First solve the corresponding problem for Z.)
Wednesday, March 16, 2016 by kuhel

Calculus
(b) Find a solution of the initial-value problem. (Hint: First verify that all members of the family y = 4/x + C are solutions of the given equation.) y' = −1/4y^2 y(0) = 0.25
Wednesday, March 16, 2016 by Kaitlyn

maths help!!!
the first four terms in the expansion of (1-x)^n are 1-6x+ax^2+bx^3.find the n and also the respective value for a and b
Wednesday, March 16, 2016 by daniel

Math- Average Costing
Hi, Can you please help me answer this question using the average costing methodology? A hospital was out of juice at the end of September. They bought 200 cases on Oct. 1 at $10.00 each. and 200 more cases on Nov. 1 for $12.00 each. There were 100 cases left at the end of Oct...
Wednesday, March 16, 2016 by Angela

english
his question is based on the following passage, which contains some errors. The sentences are numbered to help you answer the question. (1) As soon as Loraine arrived in town, she phoned Dee. (2) However Dee was not home. (3) Discouraged, by this Loraine walked four blocks to ...
Tuesday, March 15, 2016 by help

english
This question is based on the following paragraph. (1) It was December 7, 1941. (2) The freighter Florentine, 320 miles northeast of the Hawaiian Island of Hilo was lumbering along at about 15 knots when the garbled message came in over the radio. (3) "Attack on Pearl ...
Tuesday, March 15, 2016 by help

Geometry
#4 Which could be the scale factor of the following similar figures? (1 point) The first triangle's sides are 9,9,12 The second triangles sides are 6,6,8 A.) 2/3 B.) 3/4 C.) 1 D.) 3/2 E.) 4/3 My answers: b & c _______________________________ #5 The rectangles in the figure...
Tuesday, March 15, 2016 by Patty

Physics
A car of mass 422 kg is moving 36.0° North of East at a speed of 15.4 m/s. What is the magnitude of the momentum of the car? (magnitude - how big is it? ignore direction). What is the east-west component of the momentum of the car? I already figured out the first question ...
Tuesday, March 15, 2016 by Emily

Physics
An airplane propeller is 1.1 m in length (from tip to tip) and has a mass of 2.8 kg . When the airplane's engine is first started, it applies a constant torque of 8.1 N⋅m to the propeller, which starts from rest. What is the angular acceleration of the propeller? ...
Monday, March 14, 2016 by Desperate Student

Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains leave the station at the same time, after how many seconds will ...
Monday, March 14, 2016 by Ashley

math
The first 5 minutes cost $3, and each minute after that costs $0.17. How much did it cost if they talked for 24 minutes.
Monday, March 14, 2016 by kuna

Maths
20 pupils,8 males, 3 males wear glasses whats the probability that the first student is mals and wears glasses?
Monday, March 14, 2016 by Sinead

Geometry
Please explain how I am supposed to get this I really don't understand, but I think that I know the answer. Thanks! 1. A conveyor belt carries supplies from the first floor to the second floor which is 12 feet higher. The belt makes a 60 degree angle with the ground. How ...
Monday, March 14, 2016 by Blair

math
Five runners are entered in a race. Assuming there are no ties, in how many different ways can first and second places be awarded?
Monday, March 14, 2016 by pj

english
This question is based on the following passage, which contains some errors. The sentences are numbered to help you answer the question. (1) As soon as Loraine arrived in town, she phoned Dee. (2) However Dee was not home. (3) Discouraged, by this Loraine walked four blocks ...
Monday, March 14, 2016 by help

math
a student’s grade in a class is simply the mean of five 100-point exams a. If the student has grades of 77, 73, 97, and 89 on the first four exams, what is the students’ grade before taking the last exam? b. What is the lowest score that the student can earn on the ...
Monday, March 14, 2016 by Debbie

Math
Juan is making the shape of a rhombus. the first three angles are 80 degrees 80 degrees and 100 degrees what is the measure of the fourth angle? A. 60 B. 100<My Answer C. 180 D. 240
Monday, March 14, 2016 by keykat

Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains, leave the station at the same time, after how many seconds will...
Monday, March 14, 2016 by Ashley

math
If you place $2,000.00 in a saving account with an interest rate of 4.5% month versus an account with a rate of 3.75% month, how much more interest could you earn in that month using the first account?
Monday, March 14, 2016 by don

Maths
The 18th term of an A.p is 25.(a) find it's first term when the common difference is 2.(b) what term of an A.p gives 49
Monday, March 14, 2016 by Aliyu

maths
The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .
Monday, March 14, 2016 by komal

psychology
Because you are bored one afternoon, you decide to try a little experiment. You open your eye very wide, extend your thumb, and then poke yourself in the e ure. Aside from being very foolish and in alot of pain, you may learn something about your eye when you engage in this ...
Monday, March 14, 2016 by lily

Math
A team of street pavers was assigned the task of paving two parking lots one twice the size of the other. They worked for the first half of the day on the larger parking lot. Then the team split into two groups of equal number. The first group continued working on the larger ...
Sunday, March 13, 2016 by Seerat

maths
The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .
Sunday, March 13, 2016 by komal

c++
1. Create a class called Faculty that includes three pieces of information as data members: a. a first name (type string) b. a last name (type string) c. a monthly salary (type int). They should be private. 2. This class should have a constructor that initializes the three ...
Saturday, March 12, 2016 by Anonymous

Physics
Hi, I am having difficulties approaching and solving the following question: A Michelson interferometer is used with red light of wavelength 632.8 nm and is adjusted for a path difference of 20 µm. Determine the angular radius of the a) first (smallest diameter) ring ...
Saturday, March 12, 2016 by Brandon Tom

a level chemistry
variation of the rate constant with temperature for the first order reaction 2N2O(g) = 2N2O4(g) + O2(g) is given in the following table. determine graphically the activation energy for the reaction. |t(k)|273 298 318 338 |k(second)| 7.87 x 10^3. 3.46 x 10^5. 4.98 x 10^6. 4.87 ...
Saturday, March 12, 2016 by chancy

Math
A hospital was out of juice at the end of September. They bought 200 cases on Oct. 1 at $10.00 each. and 200 more cases on Nov. 1 for $12.00 each. There were 100 cases left at the end of Oct. What would be first case expensed on Nov. 2 using the average costing method?
Saturday, March 12, 2016 by Angela

Math
The sum of the first and fourth terms of an arithimetic sequences is 2 and the sum of their squares is 20 1. Find the common difference 2.find the sum of the first eight terms of the squence
Saturday, March 12, 2016 by Ishimwe

Physics
An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch effort, the astronaut ...
Saturday, March 12, 2016 by Jacob

science
A ball from a height 'h' on a horizontal floor.If it loses 60% of its energy on hitting the floor then height upto which it will rise after first rebounce is?
Saturday, March 12, 2016 by anagha

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