Mota

Popular questions and responses by Mota
  1. physics

    If a force of 300N is exerted upon a 60 kg mass for 4 seconds, how much impulse does the mass experience?

    asked on November 19, 2009
  2. math

    a rhombus has an area of 50 cm^2 and an internal angle of size 63 . find the lenght of its sides.

    asked on January 21, 2010
  3. math

    find the general term (un), of the geometric sequence which has : u7=24 and u15= 384 thank u

    asked on January 23, 2010
  4. physics

    A billiard ball approaches a cushioned edge of a billiard table with momentum, p. After the collision with the cushion, it bounces straight back with the same amount of momentum in the opposite direction. What is the impulse on the ball?

    asked on November 19, 2009
  5. physics

    A trajectile, of mass 20 g, traveling at 350 m/s, strikes a steel plate at an angle of 30-degrees with a plane of the plate. It ricochets off at the same angle, at a speed of 320 m/s. What is the magnitude of the impulse that the steel plate gives to the

    asked on November 19, 2009
  6. math

    parallel and perpendicular lines Determine an equation of each of the following lines . *the line perpendicular to y-4=0 and passing through the point (-1,6) ** the line perpendicular to 3x-12y+16=0 and having the same y-intercept as the line 14x-13y-52=0

    asked on January 8, 2008
  7. Math

    Draw a diagram to represent the identity (a + b)2 = a2 + 2ab + b2.

    asked on November 7, 2009
  8. math

    A GOOGOL IS THE NUMBER 1 FOLLOWED BY 100 ZEROS . a) WHAT IS A GOOGL WRITTEN AS A POWER ? b) WHAT IS A GOOGOL TIMES A GOOGOL WRITTEN AS A POWER ?

    asked on March 1, 2008
  9. math

    Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------- math - drwls 1000. ----------------------- explain please i want to understand this question :) this is

    asked on March 2, 2008
  10. math

    Two mothers and two daughters were fishing.Thy managed to catch one big fish , one small fish and one fat fish . SINCE THEY CAUGHT A TOTAL OF ONLY THREE FISH , HOW IS IT POSSIBLE THAT THEY EACH TOOK HOME A FISH ? PLEASE.... EXPLAIN YOUR ANSWER :)

    asked on April 22, 2008
  11. physics

    Galileo drops a stone from the leaning tower of Pisa, which is 45 meters high. At what speed does the stone hit the ground?

    asked on January 29, 2010
  12. physics

    A crane lifts 1 tonne of concrete through a height of 25 m. How much work does it do? (1 kg has a weight of 9.81 N.)

    asked on January 29, 2010
  13. math

    An RCMP patrol boat left Long Beach, British Colombia, and sailed west for 2 h at 15 K/h, then north for 2h at 20 K/h, then east for The at 10 k/h How far was the patrol boat from Long Beach, to the nearest tenth of a Kilometer? please explain your answer

    asked on March 15, 2008
  14. math

    the base of the pyramid of Khufu is a square with side 230m long. calculate the length of the diagonal of this square. too the nearest tenth of a meter. please Explain your answer...

    asked on March 15, 2008
  15. physics

    Robin exerts a force of 100 N in pulling back his bow by 0.5 m. He fires the arrow (mass=0.2 kg) vertically upwards. a-How much energy is stored in his bow. b-How high does the arrow go?

    asked on January 29, 2010
  16. math

    THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ?

    asked on March 1, 2008
  17. physics - power(1)

    A grocer lifts an 8.0-kg carton from the floor to a height of 0.80 m in 5 sec. Calculate the power of man.

    asked on January 16, 2010
  18. physics

    A man drags a sack of flour of mass 50 kg at constant speed up an inclined plan to a height of 5m. The plane makes an angle of 30„awith the horizontal and a constant frictional force of 200 N acts on the sack down the plane. 1- How much work does the man

    asked on January 30, 2010
  19. physics

    A force of 100N pulls a box of weight 200N along a smooth horizontal surface makes 45(degree) to the floor . Calculate the work done by the force. A- in moving the box a distance of 25m along the horizontal. B- against gravity. C- against normal force.

    asked on January 29, 2010
  20. math

    a quilter wants to use as many of his 65 small fabric squares as possible to make one large square quilt . A- how many small squares can the quilter use ? B- how many small squares would he ahve left ? C- how many more squares would the quilter need to

    asked on March 8, 2008
  21. math

    THE DISTANCE FROM EARTH TO MOON IS ABOUT 22^4 MILES . THE DISTANCE FROM EARTH TO NEPTUNE IS ABOUT 22^7 MILES . WHICH DISTANCE IS GREATER ? ABOUT HOW MANY TIMES GREAT ?

    asked on March 1, 2008
  22. math

    i have a question in math (( distance between two points )) A quardilateral has vertices P(3,5), Q(-4,3), R(-3,-2), and S(5,-4). find the lengths of the diagonals,to the nearest tenth . please in detales .. thank u

    asked on November 9, 2007
  23. math

    a chessboard has diagonals of lengths 40 m. what is the length of each side of the board, to the nearest length of a centimeter? Explain t on reasoning.

    asked on March 15, 2008
  24. math

    my question in (distance between two point) rectangle QRST has an area of 6 square units, and Q is at the origin. R lies on the x-axis, T lies on they-axis , and the coordinates of the vertices are whole numbers. what are the possible sets of coordinates

    asked on November 23, 2007
  25. math

    hi i will ask u in math :) in (( distance between two points )) * three vertices of rectanglr WXYZ are W (4,3), X (-1,3), and Y (-1,-1), what sre the coordinates of Z ? ** two adjacent vertices of a square have coordinates (-1,-3) and (1,0), what are the

    asked on November 9, 2007
  26. physics - power(2)

    A force of 100N pulls a box of weight 200N along a smooth horizontal surface (angle 45) . Calculate the power of the applied force.

    asked on January 16, 2010
  27. math

    Rationalise the expression 1/(ã2 + ã3).

    asked on November 7, 2009
  28. physics

    A student finds that a stretched rubber band stores 3.5 J of energy. She uses it to propel an object of mass 0.025 kg vertically upwards. What will be the initial speed of the object? How high can it travel before coming momentarily to rest?

    asked on January 29, 2010
  29. physics

    The spectrum of light from the galaxy M100 has a prominent dark line at a wavelength of 592.2 nm. The same spectral line observed in a lab on earth has a wavelength of 589.4 nm. How fast is M100 moving relative to earth? (the speed of light = 3.00 x

    asked on January 29, 2010
  30. Math

    Use Pascal’s triangle to read off the coefficients of the powers of x in the expansion of (1 + x)n for different values of the positive integer n. Check the results for n = 3 by expanding (1 + x)3.

    asked on November 7, 2009
  31. math

    prove that in an isosceles triangle the angles opposite to the equal sides are also equal .

    asked on April 17, 2008
  32. math

    find k, given that the following are consecutive term of a geometric sequence. k,k+8,9k thank u

    asked on January 23, 2010
  33. physics - power(3)

    A force of 48 N pushes a 2 kg object initially at rest a distance of 3m along frictionless horizontally surface. Find: A- The work done on the object. B- The power of the applied force.

    asked on January 16, 2010
  34. physics - work 2

    A force of 100N pulls a box of weight 200N along a smooth horizontal surface (angle = 45) Calculate the work done by the force. A- in moving the box a distance of 25m along the horizontal. B- against gravity. C- against normal force.

    asked on January 16, 2010
  35. math

    One morning , Moe, Joe and Hani left home with each one wearing a hat and a coat belonging to one of the others. Joe was wearing Moe's coat and Hani's hat . WHOSE HAT AND COAT WERE MOE AND HANI WEARING? please.... explain your answer .

    asked on April 22, 2008
  36. math

    Melons cost QR1.5 each and apples cost QR3.75 per kilogram. A man buys apples and melons at the supermarket. Write a formula to describe the total cost of his purchase. Investigate how many melons and how many kilograms of apples he could buy for QR30.

    asked on November 7, 2009
  37. math

    how so we indicate the congruence of two right angles triangles ?

    asked on April 17, 2008
  38. math

    A STUDENT SAID THAT 3^5 / 9^5 IS THE SAME AS 1/3 . WHAT MISTAKE HAS THE STUDENT MADE ?

    asked on March 2, 2008
  39. math

    what will investment of 10 000 Yen amount to after 5 years if it earns 8% p.a. compund semi-annually ?

    asked on January 23, 2010
  40. math

    how many squares are there in the shape ? and how rectangles are there in it ? {}{}{}{} {}{}{}{} {}{}{}{} {}= mean a square ...

    asked on April 22, 2008
  41. math

    my question in (slope) find the coordinates of a quadrilateral so that the slope of all four sides are negative ??? please explain your answer .

    asked on November 30, 2007
  42. math

    my question in (slope) find the coordinates of the vertices of a triangle so that the slope of all three sides are positive ??? please explain your answer .

    asked on November 30, 2007
  43. physics - work

    Imagine you find a 2 kg book on the floor and lift it 0.75 meters and put it on a table. find the work done ?

    asked on January 16, 2010
  44. math

    An island has no currency, it insted has the following exchange rate : 50 bananas = 20 coconuts 30 coconuts = 12 fish 100 fish = 1 hammock HOW MANY BANANAS EQUAL TO 1 HAMMOCK ? please ... explain your answer :)

    asked on April 22, 2008
  45. math

    graph y = 2x - 3 and the domain is the real number when i plot the point without goin them or with goin them ? explain when i draw the line in grade papper or ony plot the point

    asked on December 29, 2007
  46. chemistry

    what is the difference between the real gases and the ideal gases ???

    asked on January 27, 2010
  47. math

    how do we indicate the congruence at two triangles with two sides and the contained angle of the one equal two corresponding sides and the corresponding contained angle of the other ?

    asked on April 17, 2008
  48. math

    Tom drives from his house to his office. He drives 64 km east and then along the new Square Route Expressway. please Explain your answer...

    asked on March 15, 2008
  49. math

    Posted by mota on Saturday, March 1, 2008 at 3:34am. THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------------- math - drwls 1000. ----------------------------- explain

    asked on March 2, 2008
  50. math

    USING THE MANUFACTURING TERMS BELOW , TELL HOW MANY DOZEN IN A GREAT GROSS. HOW MANY GROSS ARE IN A GREAT GROSS ? --------------------------- 1 DOZEN = 12^1 ITEMS 1 GROSS = 12^2 ITEMS 1 GREAT GROSS = 12^3 ITEMS

    asked on March 1, 2008
  51. math

    the median of a set of six number is 2.5 given that five number are 8, 1 , 2 , 11 and 1 , find the sixth number . and explain ...

    asked on December 28, 2007
  52. math

    have a question in math (( distance between two points )) the coordinate of the diameter of a circle are (6,4) and (-2,0) find the length of the radius of the crcle. please in detales .. thank u

    asked on November 10, 2007
  53. math

    i have a question in math (( distance between two points )) the vertices of a right triangle are S(-2,-2), T(10,-2), and R(4,5). find the area of the triangle. please in detales .. thank u

    asked on November 9, 2007
  54. math

    my question in (ddistance between two point ) show that the quadrilateral with vertices K(3,4),L(2,0),M(-3,-2), and N(-1,3) is a kit ?

    asked on November 23, 2007
  55. math

    have a question in math (( distance between two points )) the coordinate of the diameter of a circle are (6,4) and (-2,0) find the length of the radius of the crcle. please in detales .. thank u

    asked on November 10, 2007
  56. math

    have a question in math (( distance between two points )) show that C(-5,-1)is the midpoint of the line segment joining A(-2,5) and B(-8,-7) please in detales .. thank u

    asked on November 10, 2007
  57. math

    1 ms = ? s 1 mile second = ??? second

    asked on November 21, 2009
  58. ENGLISH

    can you please gave me 3 argument with there evedence about useing a cell phone while driving .. thank u ..

    asked on November 12, 2009
  59. math

    have a question in math (( distance between two points )) show that C(-5,-1)is the midpoint of the line segment joining A(-2,5) and B(-8,-7) please in detales .. thank u

    asked on November 10, 2007
  60. math

    I have a question in (( distance between two points )) show that A(4,2), B(-2,-2) and C(2,-8)are the vertices of an isoceles right triangle. please in detales .. thank u

    asked on November 10, 2007
  61. math

    find the exact values when : x^2+2x >= 5

    asked on January 22, 2010
  62. Math

    3ã2+(ã2)^3 i don't know how to add them ??

    asked on November 13, 2009
  1. math

    thank u :)

    posted on January 21, 2010
  2. physics - work

    thank u and the answer will be w= mgh = 2*10*0.75 = 15j correct ?!!

    posted on January 16, 2010
  3. Math

    a 3 1/5 + 2 1/2 = 5.7 = 6

    posted on January 16, 2010
  4. math

    c 4.2/10^3 = 0.0042

    posted on January 16, 2010
  5. math

    c 67800/10^3 = 67.8

    posted on January 16, 2010
  6. math

    A 5300*10^-3 = 5.3

    posted on January 16, 2010
  7. spanish

    No me gusta la historia

    posted on November 19, 2009
  8. math

    i think 3/16 , because the total of the marbel is 16 and u want the probability of the yellow which equal to 3 . :)

    posted on November 19, 2009
  9. physics

    i solve it but i am not sure that they need the impulse , i think they need the velocity that will act on it ! because they say how much impulse does the mass experience .. impulse = change in momentum impulse = m x v 1200 = 60 x v 1200\60 = 60 x v \ 60 v=

    posted on November 19, 2009
  10. 10th grade algebra not ms.sue

    never true check ur answer by : x=1 1+1=1+0 2=1 so its never true :D

    posted on November 12, 2009
  11. math

    MY ANSWER IS THEY SUBTRACT THE EXPONENT AND THEN THEY SIMPLIFY THE FRACTION THE CORRECT ANSWER IS 3^5 = 243 9^5 = 59049 59049 / 243 = 243 IS MY ANSWER CORRECT ?!

    posted on March 2, 2008
  12. math

    explain please i want to understand this question :)

    posted on March 2, 2008
  13. math

    thanks for answer but i need it in deteal to understand the question

    posted on March 2, 2008
  14. math

    ok when i plot the point i goin them or no? and why ?

    posted on December 29, 2007
  15. math

    i don't understand

    posted on December 1, 2007
  16. math

    i don't understand :(

    posted on November 23, 2007
  17. math

    can u explain how u get the height ?

    posted on November 10, 2007
  18. math

    hi i think theere is something wrong in the answer PR = ã((5+2)^2 + (3+3)^2) = ã85 because the rule is ã((x2-x1)^2 + (y2-y1)^2)

    posted on November 10, 2007
  19. math

    thank u

    posted on November 10, 2007
  20. math

    why there is no one answer my question ?

    posted on November 10, 2007
  21. math

    it is easy thank u i will do it :) QS = ã((-4+5)^2 + (3+4)^2) =ã50

    posted on November 10, 2007