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Posts by yoyo

Total # Posts: 56

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??

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

SS Checj My ANSWERS Please
I like cats is 100% correct. I got 10/10

English - The Red Badge of Courage
Omg thx for the answers got 100%!

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?

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

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?

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?

algbra 2
Yes it is.

Physics
cheers

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?

Physics
i used the centre of mass equation.... =(6x10^24*0)+(7x10^22*405608)/ 6x10^24+7x10^22 So how bout you? How'd you get to the answer?

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 confirm if my ...

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?

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 distance from ...

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 got to. If it&#...

MTH 156
Make three equations using a,j,c. a+c+j=6900 3*a=j 2.5*j=c Use simultaneous equations to solve.

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 sun to the ...

Physics
it amazes me how much people are willing to write and give up time to answer anothers questions online. Cheers man.

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 need help with ...

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.

Physics
Cheers man. Appreciate it.

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 it's wrong can ...

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 the growth of a ...

Calculus
y=x^2+1, y=2x^2-2 ***

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 a solid glass vase. ...

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

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?

Science 6th grade Earth's day and night ANSWERS
Thanks queen elsa i got 100

math
if the area is 135 and the length is 15, then what is the width of it ?

science help asap!!!
100% correct

Maths
I need it 2 to the power of ? =16^-2

Maths
Square root 'a' 16^-2 = 2?

Statistics/Probability
sw

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

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

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

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

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

LA
Bahahahahahah

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.

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)

phsyics
99.17

Chemistry
yaaaaasssssssssssss

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 expense was $1,900,000,...

Chemistry
In this reaction Fe is reduced (gain of electrons/ loss of oxygen) and Mg is oxidised (loss of electrons/ gain of oxygen) This is for Magnesium reacting with Iron II, and not Iron III.

Math
7 boys 8girls

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.

Chinese
what does washa washa mean

physics
your mom

physics
no

complete and simple subject
The answer for "the largest capital in Mexico is her home" is the largest capital in Mexico and Mexico

AP Physics (circular motion)
0.0028

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

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 ?

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 the star to Earth. ...

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