Rayan
Most popular questions and responses by Rayan
physical
an airplane takes off at an angle of 30 to the horizontal. if the component of its velocity along the horizontal is 250 km/h , what is its actual velocity? also find the vertical component.
asked on March 7, 2014 
Physics
an empty rd bottle weighs 60 grams but weighs 120 gram when completely filled with water when the bottle is completely with an unknown liquid it weighs 90 gram what will be the volume of the rd bottle
asked on July 19, 2016 
Physics
What is the mass of the meterstick shown in the figure (Hint: 25% of the meterstick’s mass is to the left of the fulcrum and 75% is to the right)?
asked on April 12, 2017 
Physics
A police car stopped at a set of lights has a speeder pass it at 100 km/h. If the police car can accelerate at 3.6 m/s^2, how long does it take to catch the speeder?
asked on February 4, 2017 
Physics
You are traveling on an airplane. The velocity of the plane with respect to the air is 140 m/s due east. The velocity of the air with respect to the ground is 34 m/s at an angle of 30° west of due north. 1)What is the speed of the plane with respect to
asked on February 14, 2018 
physics
A white billiard ball with mass mw = 0.1 kg is moving with a speed of v = 0.5 m/s making angle 60 degree and collides with a black billiard ball with the same mass mb = 0.1 kg that is initially at rest. The distance between the black ball and the pocket is
asked on November 20, 2014 
chemistry
how to determine the oxalate and copper in K[Cu(C2O4)2].2H2O
asked on May 8, 2013 
biology 2
The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the
asked on October 14, 2013 
Physics 11
A businesswoman is applying a force of 12.0 N [upwards] to carry her briefcase for a horizontal distance of 200.0 m. How much work is she doing on the briefcase?
asked on April 3, 2017 
AP Calculus 12
Please help me with this question: lim __1__cosx__ x0 sinx Thank you!
asked on December 20, 2017 
AP Calculus AB
lim x3/x3 x>3^ A) 0 B) 1 C) 1
asked on May 10, 2018 
Chemistry
Consider the reaction below : P4(s) + 5O2(g) P4O10(s) How many grams of phosphorus react with 1.195 x 102 L of oxygen (O2) at STP (standard temperature and pressure) to form tetraphosphorus decaoxide?
asked on February 15, 2018 
AP Calculus AB
Suppose f(x)= x^5  10 and let h(x) be the inverse of f. Find h'(22).
asked on February 6, 2018 
Math
How to make "freyer model" of 437?
asked on September 3, 2013 
algebra
Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40
asked on February 11, 2013 
math 3 grader
Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40
asked on February 10, 2013 
AP Calculus
Find x. lim (sin(x))^x x>0
asked on February 26, 2018 
PreCalculus 12
Solve using logarithm: 2^(4x+1)=3^x
asked on December 7, 2017 
Chemistry
which compound shows small change in solubility from 0°C to 100°C?
asked on February 13, 2017 
PreCalculus 11
What is the entire radial form of 3* cube root of 2? I go cube root of 54 as my answer but it is wrong
asked on July 10, 2016 
Math:Algebra
Maya has 2 times as many apples as Ally if Ally has 87 apples how many apples dose Maya have now? Maya's sister takes some away. Write an algebraic expression that represents the amount of apples they have now?
asked on November 16, 2014 
AP Calculus AB
Hi. Please help me with the following question: lim x>1 (x)/(ln(x))
asked on May 8, 2018 
Math
Please show me how to factor X^3 + 125
asked on December 20, 2017 
maths
find out 10 pairs of one digit numbers whose product end with the digit 0?
asked on January 2, 2013

english
Verb is: is, must, learn, make
posted on May 12, 2019 
physics
average speed = (3+0)/2 = 1.5 m/s so t = 8/1.5 = 80/15 = 5.33 seconds sliding to a stop then acceleration a = (03)/5.33 = .5625 m/s^2 so now the physics F = m a m g (mu) = m (.5625) mu = .5625/9.81 = .0573
posted on February 14, 2018 
AP Calculus 12
Yes that was the question. Sorry I messed up the structure. Thanks for your help!
posted on December 20, 2017 
PreCalculus 12
Thank you!
posted on December 8, 2017 
riddle
Clothes this because when it is dirty is old but when it is has been wash it's become new
posted on April 13, 2017 
Math
oops!
posted on April 3, 2017 
Math
3/8 made it across (1/2)*(3/4)
posted on April 3, 2017 
Physics 11
Thanks!
posted on April 3, 2017 
Physics
why are you multiplying by 1/2
posted on February 4, 2017 
Physics
Why do you multiply by 1/2?
posted on February 4, 2017 
PreCalculus 11
I have one more question I tried this question but got the wrong answer... 3x= √x^25 (The square root is over whole x^25) My answer was x=2/3
posted on July 10, 2016 
PreCalculus 11
isn't negative not supposed to go inside the cube root
posted on July 10, 2016 
math
304
posted on October 24, 2015 
Math:Algebra
(2*87) l
posted on November 16, 2014 
science grade 9
how do the products of their decomposition compare
posted on May 31, 2011 
science grade 9
why are you so smart
posted on May 31, 2011