Questions Asked on
September 5, 2015

physics
The sensitivity of a galvanometer of resistance 990ohm is increased by 10 times.The shunt used is??
asked by Anusha 
Chemistry HELP
What is the velocity of an electron that has a de broglie wavelength approximately the length of a chemical bond? Assume this length to be 1.2 X10^10 m.
asked by Nicole 
math
After being exposed to an electromagnetic shrinking machine, Joe shrank a total of 120 centimeters over 1.2 seconds. His height decreased by the same amount each second. Joe wants to figure out how much his height changed each second.What equation can help
asked by laxcy545 
Math
prove: tan10+tan70+tan100=tan10.tan70.tan100
asked by Rabinprakash Dahal 
Chemistry
Calculate the frequency of an electron traveling at 1.85X10^7 m/s.
asked by Tiffie 
Physics
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 3.90 m to the north, d2 = 2.06 m northeast, and d3 = 1.14 m at 30.0° west of south (see the figure below). Starting at the same initial
asked by Biggz 
math
Marcus bought r movie posters for $5 each. Write an algebraic expression for total amount Marcus spent.
asked by m 
math
A cab charges $1.50 for the first mile and $0.50 for each additional mile. Write and solve an inequality to determine how many miles Sharon can travel if she has $25 to spend. (2 points) $0.50 + $1.50x ¡Ü $25; x ¡Ü 16 miles $0.50 + $1.50x ¡Ý $25; x
asked by oscar 
math
Grandma Millie is shrinking! Her height decreases by 1/4 cm each year. She wants to predict the total change in her height over the next 3 years.Whats an equation that can solve this problem.
asked by gamer65 
math
08.03)Esther wants to know if the number of words on a page in her language arts book is generally more than the number of words on a page in her social studies book. She takes a random sample of 25 pages in each book and then calculates the mean, median,
asked by Troy 
Probability
A white die and a black die is thrown. What is the probability that the number on the white die exceeds the number on the black die?
asked by Jina 
Physics
Three point charges are located at the corners of an equilateral triangle as in the figure below. Find the magnitude and direction of the net electric force on the 1.65 μC charge. (Let A = 1.65 μC, B = 6.60 μC, and C = −4.20 μC.)
asked by Audrey 
Physics
A hiker starts at his camp and moves the following distances while exploring his surroundings: 65.0 m north, 2.00 ✕ 102 m east, 1.10 ✕ 102 m at an angle 30.0° north of east, and 1.50 ✕ 102 m south. (a) Find his resultant displacement from camp.
asked by Biggz 
fundamentals of math
there are 40 bikes inspected. If 15 need new tires and 26 need gear repairs. what is the greatest number of bikes that could have needed both repairs? The least number that could have needed both? Greatest number that could have needed neither repair?
asked by michelle 
english
Why do some people keep diaries and journals? Diaries are considered important by literary individuals. Diaries help people find strong, incriminating evidence. Diaries allow writers to tell stories about what they have done. Diaries keep track of useful
asked by oscar 
Physics
A force of 480 N is applied to a stationary wooden box in one direction and an 920 N horizontal force is applied in the opposite direction. What additional force is necessary for the box to remain stationary?
asked by Molida 
Physics
An unmarked police car traveling a constant 85.0 km/h is passed by a speeder traveling 130 km/h . Precisely 3.00 s after the speeder passes, the police officer steps on the accelerator; if the police car's acceleration is 2.30 m/s2 , how much time passes
asked by Celeste 
Algebra
Does an inequality of the form ax > b always, sometimes, or never give a solution of the form x > c? Give examples to support your answer.
asked by Cc 
math complex number
Solve (2+i) / (32i) and my answer is (8i) / 13. Correct?
asked by luis 
English
1. The knife is used to dice a radish. 2. The box is used to wrap gifts. 3. The dancing room is used to play pingpong.  Are they all grammatical? Do we have to put a pause after 'used' in each sentence?
asked by rfvv 
numerical analysis
find the smallest positive root of the equation f(x)=2sinx+x2=0 using the false positive method.
asked by rosie 
math
i am an odd number between 300 and 400.none of my digits are the same.the sum of the digits is five times my hundreds digit.
asked by avril 
Math
find the roots of x3+6x2+11x+6=0 what is the formula and answer how to solve this ??
asked by Krystel Mae Elento 
geography
how does stormwater effect beach erosion/loss of sediment on shorelines?
asked by aurora 
Physics
A constant force of 800n acts on an object of mass 40kg what is the acceleration placed on the object
asked by Tosin 
Haramaya univercity
A 0.5 kg ball is thrown straight speed of 15m/s find the momentum of the ball at its maximum hieght
asked by Gadisa 
physics
A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20*10^5 M/s^2 for 8.10*10^4 s what is its muzzle velocity
asked by Anonymous 
Us. History
Q1. Why do you think received the greater benefits from the Columbus exchange, the Native American, or the European? Explain. Q2. How did weapons given by Europeans benefit the Native American? Q3. Could the Aztecs have made a chocolate cake? What key
asked by Tisy 
sst
toothpaste shampoo mobile and telivision are four products used in daily life. create your own brand. make an advertisment to get your friends to buy this brand . also add a slogen a jingle or a catchy line.
asked by shehzad 
nnkc
Calculate the amount of heat required to convert 15 gm water at 100
asked by Anonymous 
Math
Draw the graph n < 4, with the constraint n > 0.
asked by Pam 
Physics
1. The Following instruments are available in your laboratory. What would be the absolute uncertainties in the measurements made with these instruments? A. Ruler B. Protractor C. Watch D. Scale 2. By using the instruments from the task 1, you have
asked by Alessandra Romano 
Chemistry
What is the percentage of sand (SiO2) in a 2.88g of a mixture If 1.93 of sand was recovered upon separation?
asked by Dede 
VCU
If Company A rents a truck for $100 per day plus 0.50 per mile and Company B rents the same truck for $60.00 per day plus 0.60 per mile how many miles must you drive for Company A to be a better deal 100+0.50= 60+0.60 =
asked by Johnnette 
PHYSICS
A potato gun shoots a potato horizontally from a height of 6 feet. How long does it take to hit the ground?
asked by MEYA 
Physics
2. By using the instruments from the task 1, you have determined that it takes 3s for a toy car to travel through the distance of 162cm. What are the relative uncertainties of the distance and time measurements? Which measurements is the least uncertain?
asked by Kathrine 
UNAM
if you add 15.ml of a 0.250M HCl solution to 50.0ml of a 0.125 MHCl solution what will be the molarity of the resulting solution
asked by Lelo 
Algebra 1
4a=1b 4a=2b
asked by Johnnette 
Algebra I
4a=4b 4a=2b
asked by Johnnette 
English interview tips
0 Hi, It's not a nursing interview but I have an interview for Dietary aide on Tuesday. I will be attending nursing school on September 8th, 2015. how should I answer on a question, "Why are you qualified for this position?" How can I use my education as a
asked by John boe 
Biology
I did a lab and have been graded already. One of the questions asked us to pick good scientific questions from a list of choices. One of the choices read, "What soil properties determine the resulting color of a plant's flowers?". Note: I have changed the
asked by dylan 
Algebra I
If a rocket traveled at 7x10 to the 4 power how many hours would it take to reach the moon
asked by Johnnette 
Please Help! Need my work Checked! Physics
2) You take the following measurements for the distance a toy car travels in 10 seconds during each 5 trials: 157cm, 175cm, 162cm, 168cm, 187cm. What are the relative uncertainties of the distance and time measurements? Which measurement is the most
asked by Kaitlyn 
math
Solve for x: 4 − (x + 2) < −3(x + 4) x < −7 x > −7 x < −9 x > −9 pls help me
asked by oscar 
Math
Two right angled triangles are joined with a common height and the height is 12m and base of each triangle = 5m.Find out the perimeter of whole figure
asked by Shikha 
english
According to the strategies discussed in the lesson, when you have trouble making sense of what you have read, what is one strategy you can use? Share thoughts and questions with friends. Try not to overthink the problems you have. Read the same material
asked by oscar 
english
How can teaching someone else what you have learned from your reading help you understand it? The other person can pass a test about the information. The other person can tell you whether it is interesting. You will be forced to consider and clarify tough
asked by oscar 
english
Mrs. Sue or anybody can you help me with this question please?? Create a paraphrase of the following sentence from “The Cold Equations”: She held the letters out to him. "Will you take care of these and see that they're enveloped and mailed?" pls help
asked by oscar 
U.s history
Name 4 countries that are know for "specialty" foods or dishes that they would not have been able to create had the columbia exchange not occurred:
asked by Tisy 
math(elmntry euclidean geometry)help needed ASAP!
The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion. CONDITIONAL FORM: If it is the sum of the angles of a quadrilateral, then it measures 360°. DIAGRAM: Not shown, but pictures a
asked by dav 
AP Physics
An alien planet has g = 2.2 m/s2. If a ball is thrown upward from a tower 4.0 m above the surface of the planet at an initial speed of 38.1 m/s, at what time or times is the ball at a height = 38.6 m? If there is more than one time, list from earliest to
asked by Turner 
precalc
how do you find x for the function: g(x) = 2^3(square root of X)1
asked by june 
calculus
what is the range for the function j(x)=5+sqrt of 2x
asked by anon 
Physics
Two trains approach each other on parallel tracks. Each has a speed of 20.0 km/hr with respect to the earth. If they are initially 18.0 km apart, how long (in seconds) will it be before they pass each other?
asked by Keya 
Derivative
(1):Y=n(3x^2+2) (2):y=e^(x^3+x)
asked by Collins 
alGEBRA 1
simplify show all work: radical m^13
asked by rachel 
Chemistry
If 5ml of 10M HCl was added to 1 litre of 0.4M 3(Nmorpholino) propane sulfonic acid what would be the resulting pH?
asked by Katie 
Subj: Physics school: omar samatar secondary school
A body is moving with uniform acceleration it's velocity after 4s is 16m/s and after 10s is 28m/s. Calculate the distance travelled by it 12s?
asked by Mohamed Abdi shire 
physics
A motorcycle traveling 95.0 km/hr approaches a car traveling in the same direction at 85.0 km/hr. When the motorcycle is 55.0 m behind the car, the rider accelerates and passes the car 18.0 s later. What is the acceleration of the motorcycle (in
asked by Keya 
Science
A ball of mass 250 g, having initial speed v, moves along a straight path under the action of a constant net force of 8 N. If the ball has speed v after 2.5 s of its journey, then the value of v is?
asked by Sannat