Sunday

November 29, 2015
Total # Posts: 86

**Physics AP**

A 32 kg child goes down a straight slide inclined 38∘ above horizontal. The child is acted on by his weight, the normal force from the slide, and kinetic friction. How large is the normal force of the slide on the child?
*November 20, 2015*

**Physics**

A sprinkler mounted on the ground sends out a jet of water at a 30 ∘ angle to the horizontal. The water leaves the nozzle at a speed of 11 m/s . How far does the water travel before it hits the ground?
*October 16, 2015*

**Physics**

A car traveling at 40 m/s runs out of gas while traveling up a 7.0 ∘ slope How far will it coast before starting to roll back down?
*October 12, 2015*

**Physics**

There are competitions in which pilots fly small planes low over the ground and drop weights, trying to hit a target A pilot flying low and slow drops a weight; it takes 1.6 s to hit the ground, during which it travels a horizontal distance of 160 m . Now the pilot does a run ...
*October 1, 2015*

**physics**

On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The free-fall acceleration on the moon is 1/6 of its value on earth. Suppose he hit the ball with a speed of 25 m/s at an angle 24 ∘ above the horizontal...
*October 1, 2015*

**Physics**

A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.4 cm below the aim point What was the bullet's speed as it left the barrel? Express your answer to two significant figures and include the appropriate units
*October 1, 2015*

**physics**

A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.4 cm below the aim point. Part A What was the bullet's flight time? Neglect the air resistance Part B What was the bullet's speed as it left the barrel?
*September 30, 2015*

**Physics**

A small plane is 150 km south of the equator. The plane is flying at 150 km/h at a heading of 30∘ to the west of north. how many minutes will the plane cross the equator?
*September 30, 2015*

**Math**

What is 7r + -5
*December 11, 2014*

**physics**

Can you help me find the volume of a cube of zinc with the following dimensions: 3.000cm, 3.1cm, 2.99 cm?
*September 25, 2014*

**science**

The measure of how much material makes up an object is the?
*September 10, 2014*

**Math**

Thank you
*September 10, 2014*

**Math**

Explain how you know if a number can be divided by 10 evenly.
*September 10, 2014*

**Math**

Oh wow. I was reading way to much into the question. Thanks again Ms Sue you are my hero.
*September 9, 2014*

**Math**

2. Not sure
*September 9, 2014*

**Math**

Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and no stuffed animals are left over.
*September 9, 2014*

**Math**

Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and no stuffed animals are left over?
*September 9, 2014*

**math**

Thank you
*September 9, 2014*

**math**

Bryce draws 40 stars on a poster. He draws 5 rows and puts the same number in each row. How many stars ate in each row?
*September 9, 2014*

**Math**

18/2=9 Thank you
*September 8, 2014*

**Math**

18/2=9
*September 8, 2014*

**Math**

There are 18 students in the classroom. There ate 2 students in each group. How many groups of students are there?
*September 8, 2014*

**Science**

Thank you very much Ms. Sue
*March 26, 2014*

**Science**

Thank you very much Alyssa.
*March 26, 2014*

**Science**

Compare and contrast a desert ecosystem and a forest ecosystem.
*March 26, 2014*

**Math**

In a complete sentence, explain why you can cut the rectangles into different shapes and still have four equal parts?
*February 6, 2014*

**math**

Gary has $1.56 in change in his pocket. if there is a total of 19 coins, how may quarters, dimes, nickeland pennies does her have?
*February 3, 2014*

**Chemestry**

This is college chem 132
*January 26, 2014*

**Chemestry**

My Home work is online. When I gave that answer it said 3 is wrong.
*January 26, 2014*

**Chemestry**

What is the van't Hoff factor for K2SO4 in an aqueous solution that is 5.00 % K2SO4 by mass and freezes at -1.21 ∘C?
*January 26, 2014*

**Algebra**

How do I solve this algebra questions, 2n+4n+4=-8, 9=5+4t, at+2=12, 2x+3=7, 3b+6=12, m/6+5=7????
*December 5, 2013*

**Math**

thank you
*November 20, 2013*

**Math**

18-7=11
*November 20, 2013*

**Math**

Sophia went to an amusement park. She went on 18 rids in all. 7 of the rides were roller coasters. How many of the rides Sophia went on were not roller coasters?
*November 20, 2013*

**Math**

Leslie saw 8 squirrles at the park. She saw 5 birds and 12 ants. how many more ants and birds did Leslie see than she saw squirrles?
*November 20, 2013*

**math**

round 749 to the nearest hundred
*November 14, 2013*

**science**

Ways to group plants? Evergreen, seeds,...
*November 13, 2013*

**English**

Charollets Web How did Wilbur respond to the lamb saying "Pigs mean less than nothing to me"
*November 6, 2013*

**math**

Thank You
*November 4, 2013*

**math**

round to the nearest tens 362
*November 4, 2013*

**math **

round to the nearest thousand 9339
*October 29, 2013*

**math**

round to the nearest thousand 9612
*October 29, 2013*

**math**

Thank you for your help.
*October 28, 2013*

**math**

round to the nearest tens. 575 that would be rounded to 580 right?
*October 28, 2013*

**math**

320 right
*October 28, 2013*

**math**

round to the nearest tens. 324
*October 28, 2013*

**math**

650
*October 28, 2013*

**math**

round to the nearest tens. 646
*October 28, 2013*

**math**

round 997 to the nearest hundreds
*October 24, 2013*

**math**

round to the nearest ten and hundred. 997
*October 24, 2013*

**math**

11miles-5miles=6miles
*October 3, 2013*

**math**

Mr. Burns ran 14 miles last week. He only ran on Monday, Tuesday, and Wednesday. If Mr. Burns ran 3 miles on Tuesday and 5 miles on Wednesday , then how many miles did he run on Monday?
*October 3, 2013*

**math**

100
*October 3, 2013*

**math**

Doug has 170 stamps in his two-book collection. his first book of stamps has 30 more stamps in it than his second book. How mwny stamps are in each book?
*October 3, 2013*

**Math**

Eight students tried out for the band or chorus. Five students tried out for band, and the rest tried out for the chorus. How mwny students tried out for the chorus?
*October 3, 2013*

**Math**

cos22.5=1/2 sqrt(A + sqrt B)
*April 14, 2013*

**math,geometry**

what is the rule if the input is 1 and output is 9 and input is 2 and output is 12 and the input is 3 and output 16
*January 14, 2013*

**organic chemistry**

a,c,b,d,e
*October 27, 2012*

**science**

If you watch a movie scene in which a loud explosion occurs in the space. What do you conclude about the accuracy of the scene?
*May 14, 2012*

**science**

A room has large windows without curtains. The sunlight makes the room bright, but no one can see in. Is the glass opaque, translucent, or transparent?
*May 9, 2012*

**Math**

A wire measures 137 centimeters in length. The shorter piece is 13 centimeters short. find the of length each piece.
*January 12, 2012*

**Physics**

I used 4*pi*r^2 for the Area and got 3.96E26 W for the Power is that right?
*November 15, 2011*

**Physics**

The average intensity of sunlight at earth's surface is approximately 1400 W/m^2 , if the Sun is directly overhead. The average distance between the earth and the sun is 1.50E11 m. What is the average power emitted by the Sun? Ok so intensity is power over area. so power ...
*November 15, 2011*

**Math**

Ernesto makes a snack mix. For every cup of raisins he adds 2 cups of peanuts and 3 of pretzels. What fractional part is peanuts?
*October 2, 2011*

**Math**

A figure is made of a row of squares. One square has a perimeter of 4. Two squares have a perimeter of 6, and so on. Finish the input-output table to show the pattern.
*September 21, 2011*

**math**

If 0 less than x less than y and x over y = r, which of the following must be equal to (x + y) over x ?
*July 28, 2011*

**trig**

find cos (x/2) when sint =12/13
*July 7, 2011*

**MATH**

what is 60 divided by six, that multiply that by 2
*June 1, 2011*

**math**

help! im just a seventh grader! i need a problem made up for me about how to solve the surface area of a Dodecahedron so i can help see if my theory is right or wrong!
*June 1, 2011*

**psy202**

•provide an example of how one domain of development impacts the other two.
*January 5, 2011*

**physics**

0.1kg of ice initially at a temperature of -10 degrees Celsius is added to a cup with .5kg of water initially at 20 degrees Celsius. The water and ice are isolated thermally from their surroundings. The specific heat of ice is 2000 J/kgoC, the specific heat of water is 4186 J/...
*November 17, 2010*

**Global History**

thank you so much Ms. Sue
*March 10, 2010*

**Global History**

What was the role of the Nazi party? Why were Jews denied citizenship?
*March 10, 2010*

**Science**

Need help with powerpoint presentation describing urbanization
*January 26, 2010*

**maths**

factorise: d2 + 2d + 1 - e2
*November 14, 2009*

**math**

need help!
*October 28, 2009*

**hum130**

Find two Web sites dealing with indigenous cultures and/or religions. Discuss how modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are the indigenous religions still being practiced today? If so, how have the practices changed over ...
*June 30, 2009*

**Mathematics**

How do i solve the pair of simultaneous equations y=x^2-3x-12 and y=2x-16 and epxress y=x^2-3x-12 in the form y=(x-h^2)+k, where h and k are constants Hence determine the minimum value of the function y=x^2-3x-12 I have a few of these to do, so if someone can just show me how ...
*June 25, 2009*

**Math (for Reiny)**

Ok Reiny i get that i have to square the 1st row to come up with the 2nd row, but i still dont get how i come up with the 3rd row?
*June 25, 2009*

**math**

WHICH FRACTION IS GREATER FIVE TWENTY-FOUR OR NINE THIRTY-FIVE'S
*October 22, 2008*

**Calc 3**

A wrench .9m long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of (0,1,3) at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 J of torque to the bolt. This is the formula i have: T=|r ...
*September 13, 2007*

**Calc 3**

A wrench .9m long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of (0,1,3) at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 J of torque to the bolt. This is the formula i have: T=|r ...
*September 13, 2007*

**Science**

What were Mendeleev's reversals?How did Henry Moseley explain them? Mendeleev thought the periodic table was in order of atomic mass. Mosley determined that atomic number was the correct order. http://www.chemistry.co.nz/henry_moseley.htm
*October 16, 2006*

**word unscramble**

uerall
*September 28, 2006*

**Eth/125**

I am also in ETH/125 and am having a hrd time finding the answer to the assignment due on day 5....
*July 20, 2006*

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