KT
Most popular questions and responses by KT
physics
A runner is moving at a constant speed of 8.00 m/s around a circular track. If the distance from the runner to the center of the track is 28.2 m, what is the centripetal acceleration of the runner?
asked on March 23, 2014 
Mathematics
Donations to an annual fundraiser are 15% greater this year than last year. Last year donations were 10% greater than the year before. The amount raised this year is $10,120. How much was raised two years ago?
asked on October 6, 2016 
algebra 1
What is 47.2% as a fraction or mixed number in simplest form?
asked on August 18, 2010 
Psychology
Check my answers, please? If you're an eligible woman in search of Mr. Right, chances are that you're most likely to be impressed by a man's A. thrift and moneymanagement skills. B. age—if he's several years your junior. C. record of steady employment.
asked on January 30, 2015 
Physics
A 0.25 kg ball moving at 19.0 m/s is hit by a bat. The ball leaves the bat at a speed of 38 m/s in the opposite direction. If the bat is in contact with the ball for 0.01 s, find the magnitude of the average force exerted on the ball by the bat.
asked on July 10, 2018 
Physics
You build a toy model of a water slide. A red 250 g toy car slides down a 40 degree frictionless ramp. At the bottom, just at it exists onto a horizontal part of the slide, it collides with a purple 500 g car at rest. How high should you make the water
asked on July 10, 2018 
Statistics
The Amount of filling a halfliter (500ml)soft drink bottle is normally distributed. The process has a standard deviation of 5ml. The mean is adjustable. A. Where should the mean be set to ensure a 95% probability that a halfliter bottle will not be under
asked on April 11, 2014 
Chemistry
25.0 mL of a NaCl solution (concentration unknown) was found to react with 20 drops of the chloride test solution from the PU Chloride Test Kit. Calculate the mass of NaCl (in grams) in this solution. Calculate the mass of NaCl required to prepare 0.250 L
asked on October 3, 2010 
geometry
the bases of a trapezoid have measures of 16 and 8. find the measure of the median.
asked on December 8, 2009 
trig
Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates of p to the nearest hundreth. q = 60° , r = 7
asked on October 12, 2009 
math
Jo has 37 coins (all nickels, dimes and quarters) worth $5.50. She has 4 more quarters than nickels. How many of each type of coins does she have? d=#dimes n=#nickels q=#quarters. ============== d+n+q=37 n+4=q 0.1d + 0.05n + 0.25q = 5.50
asked on January 1, 2007 
Chemistry
What is the concentration of a solution which contains 1 mole of CaCl2 dissolved in 2000mL of solutions?
asked on June 1, 2010 
Calculus
A trough is 15 ft long and 4 ft across the top. Its ends are isosceles triangles with height 3 ft. Water runs into the trough at the rate of 2.5 ft3/min. How fast is the water level rising when it is 0.89 ft deep? Give your answer correct to 3 decimal
asked on December 10, 2016 
physics
The fastest major league pitcher throws a ball at 40.0. If he throws the ball horizontally, how far does it drop vertically on the 17.7 trip to home plate?
asked on September 20, 2010 
Physics
A proton of mass m undergoes a head on collision with a stationary atom of mass 13m. If the initial speed of the proton is 485 m/s, find the speed of the proton after the collision.
asked on July 10, 2018 
Algerbra
if possible, solve the nonlinear system of equations. x^2+y^2=58 yx=4
asked on November 23, 2013 
physics
A fully loaded 737 aircraft takes off at 250km/h.If its acceleration is a steady 3.3 , how long a runway is required? How much time does it take the plane to reach takeoff?
asked on September 20, 2010 
Physics/Science
During a baseball game, a batter hits a pop up to a fielder 72 m away. The acceleration of gravity is 9.8 m/s^2. If the ball remains in the air for 5 s, how high does it rise?
asked on November 12, 2015 
Math
Sherry earned a 7% raise last year. If her salary is now $27,285, what was her salary last year?
asked on April 12, 2012 
Physics
A car (mass 800 kg) is traveling with a speed of 37 mi/h. A bug (mass 8.7 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 36 mi/h)?
asked on November 2, 2012 
geometry
the bases of a trapezoid have measures of 16 and 8. fine the measure of the median.
asked on December 8, 2009 
Geometry
One leg of an isosceles right triangle is 14cm long. Find the length of the hypotenuse. C^2=a^2+b^2 C^2=14^2+14^2 392=14^2+14^2? What do I write? Because 14 square root 2 doesn't make sense.
asked on May 3, 2016 
english
what do you call a person who can not function with out a leader
asked on October 15, 2011 
chem 101
how can a calorimeter constant be determined experimentally?
asked on November 16, 2010 
Help with American History
How did Revolutionary ideology challenge the way minorities were treated in America? What changes in this treatment resulted from this challenge, and why did some minorities find their circumstances improved while others did not?
asked on August 15, 2009 
algebra
1. 18 m/min = cm/s 2. 5.7 gal/h = c/min 3. 264 yd/s=? mi/h Anyone know the answers to these?
asked on January 24, 2008 
Statistics
example of a finished apa independent project with between subjects and analysis of variance
asked on June 24, 2016 
Statistics
Choose and observational study for and independent project using 3 between subjects and Anova
asked on June 24, 2016 
Algebra
Can someone explain how you get 86i out of (3i)^2
asked on May 3, 2016 
Algebra
Write the following as an inequality. Y is less than or equal to 3 and greater than 7
asked on April 7, 2016 
statistics
Determine the condition on coefficients "a subscript i" so that the linear combination "Summation symbol from i=1 to n for 'a subcript i'times 'X subscript i'" is an unbiased estimate of E[X].
asked on April 29, 2011 
Physics
Who was Isaac Newton? Write a brief paragraph about his life and work (include a bibliography)
asked on August 15, 2009 
Biology
Is there a mathematical way of writing Newton's three laws of motion
asked on August 15, 2009 
english
sentence using cardiologist
asked on February 1, 2009 
ENGLISH
WHAT IS THIS WORD? DLARIEY
asked on April 6, 2008 
A.P. U.S. History
What role did George Washington play in the 1750’s?
asked on October 1, 2007

algebra
shona is right 100%
posted on September 19, 2017 
ss
yeah why are you even in this websites you said that your dad is best friend of the principal and you are in this website are you even from connection academy cuz i don't believe you and don't say that he cheated cuz he just needed help on something :D (oh
posted on February 9, 2016 
PHYSICS
25 m/s to the right
posted on February 2, 2016 
Science
True
posted on December 10, 2015 
Physics/Science
TO ANYONE WHO SEES THIS  NEVERMIND, I GOT IT.
posted on November 12, 2015 
biology
oxygen
posted on October 26, 2015 
Algerbra
thank you x)
posted on November 23, 2013 
English
i think it would be a tree
posted on March 11, 2012 
Chemistry
g/l
posted on October 3, 2010 
physics
3.3m/s^2
posted on September 20, 2010 
Cultural Diversity
The class is an ethics class. It talks about whites, blacks, asians and all the races
posted on September 3, 2009 
english
what is aquaphobia. describe what someone is like with aquaphobia how may this person gotten this fear is there a cure and what is it
posted on February 10, 2009 
chemistry
Yes, the reaction shifts to the right. Because the reactant concentration increased, equilibrium will be shifted to product
posted on November 14, 2008 
Social Studies
Thank You!
posted on October 1, 2007