tae
Most popular questions and responses by tae
physics
a skateboarder is skating over a circular bump. she is at the top of the bump and is moving with a speed of 5m/s. Is the normal force exerted on the skateboarder by the bump greater than, less than, or equal to the weight of the skateboarder? explain.
asked on February 27, 2011 
College Algebra
The combined yearly interest for x dollars invested at 12% and 30,000  x dollars invested at 9% is
asked on January 24, 2016 
algebra
A very old vending machine accepts only nickels (n) and dimes (d). Candy costs up to $0.50, but sometimes the machine will dispense candy without any coins being inserted into the machine. Which inequality shows all of the ways to obtain a candy bar from
asked on November 13, 2015 
physics
A particle moves through an xyz coordinate system while a force acts on it. When the particle has the position vector vector r = (2.00 m)ihat  (3.00 m)jhat + (2.00 m)khat, the force is vector F = Fxihat + (7.00 N)jhat  (5.30 N)khat and the corresponding
asked on April 23, 2013 
Math
Alex has 7 pizzas he wants to shat3 equally with 10 friends l. How much pizza will each friend recieve?
asked on March 11, 2019 
Us history
what is the embargo act of 1807?
asked on September 10, 2008 
physics
A uniform rod of mass M = 326 kg is in the shape of a semicircle of radius R = 6 m. Calculate the magnitude of the force on a point of mass m = 74 kg placed at the center of the semicircle, as shown in the figure.
asked on April 23, 2013 
physics
For the following three vectors, what is 3C·(2A multiplied by Bvec)? A = 2.00ihat + 3.00jhat  6.00khat Bvec = 3.00ihat + 3.00jhat + 2.00khat C = 9.00ihat  8.00jhat
asked on April 25, 2013 
Writing
How should I start an essay about myself? One of the most effective ways I've taught and used to write anything autobiographical is to think of a time when you did something really meaningful: ~ made a major decision about your future ~ endured a painful
asked on August 20, 2007 
science
why does tornado alley get so many tornadoes?
asked on May 11, 2011 
physics
At the instant the displacement of a 2.00 kg object relative to the origin is d = (2.00 m) ihat + (4.00 m) jhat  (3.00 m) khat, its velocity is v =  (6.20 m/s) ihat + (2.70 m/s) jhat + (2.60 m/s) khat, and it is subject to a force F = (6.00 N) ihat 
asked on April 23, 2013 
physics
A spy satellite was launched into a circular orbit with a height of 599 km above the surface of the Earth. Determine its orbital speed and period. (The mass of the Earth is 5.97 1024 kg, and the radius of the Earth is 6370 km.)
asked on April 23, 2013 
physics
A particle moves through an xyz coordinate system while a force acts on it. When the particle has the position vector vector r = (2.00 m)ihat  (3.00 m)jhat + (2.00 m)khat, the force is vector F = Fxihat + (7.00 N)jhat  (5.30 N)khat and the corresponding
asked on April 25, 2013 
Math
you are driving at a constant speed of 50 mi/h along a straight road at a constant speed between A and B along the way you pass through city C. the cities B and C are 100 and 25 miles resorctively from city A Use absolute value function to express this
asked on June 5, 2012 
physics
If d1 = 7 ihat  2 jhat + 4 khat and d2 = 5 ihat + 2 jhat  khat, then what is (d1 + d2)·(d1 multiplied by 6 d2)?
asked on April 25, 2013 
algebra 2
783h=2h7
asked on August 30, 2010 
11th grade
Eplain about "The federlist paper"
asked on September 10, 2008 
physics
The distances from the Sun at perihelion and aphelion for Pluto are 4.410 109 km and 7.360 109 km, respectively. What is the ratio of Pluto's orbital speed around the Sun at perihelion to that at aphelion?
asked on April 23, 2013 
physics
A satellite is in circular orbit around the Earth at a distance of 4.74RE with a speed of 3.63 km/s. With what speed would the satellite hit the Earth's surface if somehow it suddenly stopped and fell to Earth? Ignore air resistance.
asked on April 23, 2013 
algebra
Explain the process for finding the equation for a line of best fit from a data table and evaluate whether it is possible to have 2 correct answers.
asked on October 1, 2012 
math
How do u simplify . Express final answer using positive exponents. 2^3= (B^4)^3=
asked on April 27, 2012 
algebra 2
decribe the end behavior of the graph of the polynomial function.then evaluate the function for x=4,3,2...,4. equation is y=x^42x^2x1
asked on October 15, 2011 
social studies
how is congress divided? what is the number of representatives based on?
asked on January 11, 2010 
Statistics
The following simple random sample was selected from a normal distribution: 4, 6, 3, 5, 9, and 3. a. Construct a 90% confidence interval for the population mean μ.
asked on October 25, 2016 
Math
The serving size babies need to be fed is 2 fl. oz. Knowing that I can feed the baby 8 times a day & 3oz. of formula each time, How much formula will I be using daily? Answer: 24 oz. How much formula will I be using... weekly? Monthly?
asked on May 12, 2016 
physics
For the vectors in the figure below, with a = 8, b = 7, and c = 113, calculate the following dot products.
asked on April 25, 2013 
physics
A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from the Earth should this
asked on April 23, 2013 
Math
Write an equation for a line of best fit for the data in the table below. Sandwich Total Fat Total Cals. Hamburger 9 260 Cheeseburger 13 320 Quarter Pounder 21 420 Quarter w/cheese 30 530
asked on October 1, 2012 
History California
what was the importance of sebastian Vizcaino in 1602
asked on September 30, 2012

math
I don't get it. We cannot use fraction tiles to help us our teacher said,we have to multiply but I need help with the work she has given us to do for homework.
posted on April 15, 2019 
Math
omg army!!! my bias is jungkook too!
posted on September 5, 2018 
Math
I love KOOKIE...AKA JUNGKOOKKK
posted on November 2, 2016 
physics
345 m s
posted on September 13, 2016 
physics
Thank you very much.
posted on April 23, 2013 
unscrambling word
i don't no
posted on January 12, 2009 
Psychology
He is put into detention for being disruptive that's the positive reinforcement and when he go to detention and joke around and no one does anything to him that is negative reinforcement. Sorry but this is my first day on here, and im a few days late. lol!
posted on September 10, 2008 
11th grade
Thank you so much!!!!!!!!!!!!!!!!
posted on September 10, 2008 
11th grade
We are working in the ratification section All of them.
posted on September 10, 2008 
help me for this stupid worksheet
thankss!! u guys r awsome!!
posted on January 7, 2008