Yoyo

Newest questions posted by Yoyo
  1. Math

    Janine has 3 3/4 cup of flour. She uses 1/3 of the flour to make pancakes. How many cups of flour did she use??
  2. additional mathematics

    if the 2nd term and the 4th term of an arithmetic progression are 15 and 23 respectively, find the first term and the common difference
  3. Physics

    A 10 g dart traveling at 400 m/s sticks into a 10 kg, 1 m wide door at the edge opposite the hinge causing the door to swing open. What is the angular velocity of the door immediately after impact?
  4. Physics

    What is the speed of a geosynchronous satellite on Earth?
  5. Physics

    A 10 g dart traveling at 400 m/s sticks into a 10 kg, 1 m wide door at the edge opposite the hinge causing the door to swing open. What is the angular velocity of the door immediately after impact?
  6. Physics

    The rotational inertia of a collapsing star changes to one third its initial value while conserving angular momentum. What is the ratio of the new rotational kinetic energy to the initial kinetic energy?
  7. Physics

    A torque of 32Nm is applied to a wheel, which causes it to accelerate at 25 rad/s2. What is the rotational moment of inertia of the wheel? I got 1.28kg/m^2. Is this correct?
  8. Physics

    A spaceship is on a straight-line path between the Earth and the Moon. At what distance from Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of Moon = 7×10^22 kg. Can someone please
  9. Physics

    A torque of 32Nm is applied to a wheel, which causes it to accelerate at 25 rad/s2. What is the rotational moment of inertia of the wheel? I got 1.28kg/m^2. Is this correct?
  10. Physics

    Just reposting. A spaceship is on a straight-line path between the Earth and the Moon. At what distance from Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of Moon = 7×10^22 kg. The
  11. Physics

    Just reposting. A cricket ball rotates at 1800 rev/min as it travels through the space in a straight line at 160 km/hr. How many times does it revolve after traveling 20m? Can someone confirm with me if 13.5 revolutions in 20m is right. That's the answer i
  12. Physics

    A spaceship is on a straight-line path between the Earth and the Moon. At what distance from Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of Moon = 7×10^22 kg. The distance from the
  13. Physics

    A meter-long stick is balanced vertically on the ground. It is then made to fall with a gentle nudge. What is the speed of the end of the stick as it hits the floor? Assume the end on the floor does not slip. Treat the stick as a “thin rod.” Really
  14. Physics

    A torque of 32Nm is applied to a wheel, which causes it to accelerate at 25 rad/s2. What is the rotational moment of inertia of the wheel? I got 1.28kg/m^2.
  15. Physics

    A cricket ball rotates at 1800 rev/min as it travels through the space in a straight line at 160 km/hr. How many times does it revolve after traveling 20m? Can someone confirm with me if 13.5 revolutions in 20m is right. That's the answer i got too. If
  16. Math

    I really need help to find the answer to this question below. If possible, please show every step of the way in a detailed form so i can understand, it takes me a while to fully comprehend whats being done. Thank you so much. QUESTION: the data shown model
  17. Calculus

    (a) Consider the region in the xy-plane consisting of the points (x; y) satisfying x > 0, y > 0, and lying between the curves y = x^2 + 1, y = 2x^2 2 and the two axes. Draw a diagram of this region. (b) This region is rotated about the y-axis to form
  18. Calculus

    If the integral from 0 to 8 of f(x)=4, then calculate the integral of f(4x) from 0 to 2.
  19. Science

    A 2000 kg car is rolling at 3 m/s. You would like to stop the car by firing a 10 kg blob of sticky clay at it. How fast should you fire the clay? How much energy is required to accelerate the clay to this speed?
  20. math

    if the area is 135 and the length is 15, then what is the width of it ?
  21. Maths

    Square root 'a' 16^-2 = 2?
  22. Physics

    A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s
  23. Physics

    A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s
  24. Physics

    A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s
  25. Physics

    A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s
  26. math

    The tax rate on Harriet Walker's $80,000 vacation home is 20 mills. The property is assessed at full value. How much will Harriet Walker pay in taxes this year? A. $640 B. $440 C. $1,600 D. $2,000
  27. chemistry

    Calculate the mass of sliver chloride, AgCl, and dihydrogen monosulfide, H2S, formed when 85.6g of sliver sulfide, Ag2S, reacts with excess hydrochloric acid, HcL.
  28. chemistry

    if 2.0 x 10-5 mol of sparingly soluble Cu(IO3)2 can dissolve in 2L of a very soluble NaIO3 sol'n, what is the molar concentration of the NaIO3 sol'n? (Ksp=1.4x10-5 for Cu(IO3)2)
  29. managerial Financial Accounting

    EXERCISE 12-11. Evaluating Investment Centers with Residual Income [LO 6] Lakeside Hospital is a division of Superior Healthcare organized as an investment center. In the past year, the hospital reported an after-tax income of $2,500,000.Total interest
  30. chemistry

    Bottle A has a volume of 1.2 L, When Filled with sugar water the bottle has a total mass of 5.0 pounds. If the empty bottle has a mass of 800 grams. determine the density of the sugar water in g/mL.
  31. Chinese

    what does washa washa mean
  32. history

    who can give me more info about the ancient messopotamian's government housing program for my shool essay?
  33. MAths

    Hi my question is if we have a cube that is 20cm cubed And 2 lenths representing 24 cm and 23 cm We want to find x which is the width how do we do that ?
  34. Maths

    the speed of light is 3 * 10^ 8m/s. Jupiter is 778 million km from the sun. Calculate the number of minutes it takes for sunlight to reach Jupiter ? A star is 300 lights away from Earth. If the speed of light is 3 * 10^5 km/s. calculate the disatance from