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March 8, 2015
A 0.02 kg ball moving to the right at 0.25 m/s makes an elastic head-on collision with a 0.04 kg ball moving to the left at 0.15
6 answers
asked by
Please help
8,270 views
Scientists estimate the rate of a wildebeest running at full speed to be 66 feet per second. Write a function rule to describe
35 answers
asked by
SmartyPants
7,142 views
A volleyball is served at an angle of 35 degrees with an initial speed of 5 m/s. What is the maximum height reached by the ball?
3 answers
asked by
Please help
5,827 views
A football is kicked at an angle of 40 degrees with an initial speed of 7 m/s. What is the horizontal distance traveled by the
2 answers
asked by
Please help
4,443 views
how many millimeters of 0.200M FeCL3 are needed to react with an excess of Na2S to produce 1.38g of Fe2S3 if the percent yield
1 answer
asked by
Melody
4,141 views
Newton's first law of motion states that an object in motion will continue to move at constant speed in a straight line. Only an
4 answers
asked by
Marisa
3,771 views
a punter kicked the football into the air with an upward velocity of 62 ft/s. its height in feet after t seconds is given by the
3 answers
asked by
Amy
3,698 views
how intrapersonal conflict can be addressed through the following stra tegies engaging,counselling and self-talk.
3 answers
asked by
Anonymous
3,186 views
I have no idea where to start with this one...
Calculate the concentration (M) of sodium ions in a solution made by diluting
2 answers
asked by
Ann
3,169 views
Animal observation and investigations usually begin with
A. handling the animal. B. a guiding question. C. feeding the animal. D.
7 answers
asked by
Melissa
2,918 views
A DVD store charges $4.70 for each day, d, a DVD is rented. The store also gives you a dollar off if the DVD is returned before
4 answers
asked by
SmartyPants
2,791 views
A beam resting on two pivots has a length of
L = 6.00 m and mass M = 87.0 kg. The pivot under the left end exerts a normal force
1 answer
asked by
amar
2,756 views
Imagine the ball on the left is given a nonzero initial speed in the horizontal direction, while the ball on the right continues
1 answer
asked by
Kevin
2,399 views
Use the figure to answer the following questions.
figure for questions 1–3 1. Name a pair of complementary angles. (1 point)
4 answers
asked by
Joe
2,174 views
Explain clearly how intrapersonal conflict can be addressed through engaging in physical exercises,counsellingand self talk
4 answers
asked by
kabelo
1,767 views
How many different triangles can you make with a perimeter of 12 units
And also use integer values for the length of the sides to
3 answers
asked by
JBeeee
1,759 views
Experiment 1 results:
mass of crucible 88g mass of hydrate 93g mass of salt 91.196g 1. Calculate the following: a:mass of water
2 answers
asked by
Leanna
1,746 views
Tn=3n-2
Find the first term,a;the common difference,d;and then find the 5th term.
4 answers
asked by
mandy
1,717 views
A mixture of 3.00 volumes of H2 and 1.00 volume of N2 reacts at 344 C to form ammonia. The equilibrium mixture at 110.0 atm
2 answers
asked by
Anonymous
1,702 views
A 11.0g sample of a compound containing only oxygen and carbon produce 3.0g carbon and 8.0g oxygen. Determine the empirical
4 answers
asked by
Sherry
1,565 views
6Li(s) + N2(g) 2Li3N(s)
a) What mass of lithium is required to produce 0.575 g of Li3N in the balanced reaction? b) What mass of
2 answers
asked by
Brian
1,514 views
In de Broglie's equation
w=wavelength w=h/mv how do i rearrange to solve for mass
1 answer
asked by
Megan
1,449 views
1. Which of the following are accurate statements regarding the origins of county government? (1 point)
County seats served as
13 answers
asked by
Linda
1,443 views
A scientist measures the standard enthalpy change for the following reaction to be -172.4 kJ :
2SO2(g) + O2(g) 2SO3(g) Based on
1 answer
asked by
jojo
1,436 views
Suppose you have added 200.0 mL of a solution containing 0.5000 moles of acetic acid per liter to 100.0 mL of 0.50000 M NaOH.
3 answers
asked by
Freddy
1,380 views
A frisbee is thrown horizontally with a speed of 12 m/s. If the frisbee moves a horizontal distance of 15 m, how long will it
3 answers
asked by
Please help
1,356 views
A helicopter carrying Dr. Evil takes off with a constant upward acceleration of 5.0 m/s2. Secret agent Austin Powers jumps on
1 answer
asked by
Ko
1,348 views
Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 43.9 g of hexane is
1 answer
asked by
Natasha
1,309 views
According to the text, why should teachers of young children share science activities with parents?
A. Everybody should know the
1 answer
asked by
Eva
1,285 views
Calculate the energy released per gram of propane when it is burned in a combustion reaction. The chemical formula for propane
1 answer
asked by
Vikki
1,263 views
Which situation could you graph without connecting the points?
the height of a hot air balloon as it climbs the amount of
5 answers
asked by
SmartyPants
1,224 views
When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat the energy of the light
2 answers
asked by
Anonymous
1,197 views
If a square carpet covers an area of 25m^2, each side is ---------m long
3 answers
asked by
Noor
1,194 views
I'm writing a news report about a rocket club sets new launch record. I need ideas on what to write about that heading
1 answer
asked by
Leo
1,192 views
A 24.5-kg child is standing on the outer edge of a merry-go-round which has moment of inertia 989 kg • m2 and radius 2.40 m.
0 answers
asked by
Anonymous
1,180 views
explain clearly how intrapersonal conflict can be addressed through the following strategies engaging in physical
3 answers
asked by
Anonymous
1,161 views
We are evaluating a project that costs $670,000, has a five-year life, and has no salvage value. Assume that depreciation is
1 answer
asked by
Sarah
1,159 views
A physics student pulls a block of mass m = 20 kg up an incline at a slow constant velocity for a distance of d = 4.5 m. The
1 answer
asked by
sunny
1,144 views
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.
f(x) = (x-7)/(x+3) and g(x) = (-3x-7)/(x-1) I got
0 answers
asked by
Michaela
1,140 views
An exceptional standing jump would raise a person 0.90 m off
the ground. To do this, what force must a person of mass 66 kg exert
1 answer
asked by
Jrom
1,136 views
Suppose Tyler sprayed around the house for ants. Which formula would be used to find the number of ants still alive after a
2 answers
asked by
Meredith Grey
1,128 views
A 0.2 kg ball moves to the right with a speed of 3 m/s. It hits a 0.5 kg ball that at rest. After collision, the second ball
2 answers
asked by
Please help
1,119 views
We are evaluating a project that costs $1,120,000, has a ten-year life, and has no salvage value. Assume that depreciation is
1 answer
asked by
Sarah
1,111 views
Which of the following do historians not consider a legacy of the Byzantine Empire?
a.Justinian’s Code: an organization of
9 answers
asked by
Help Me
1,090 views
Your parents have just bought you a new Canon digital camera. You wish to show your friends a picture of it, but you have no
1 answer
asked by
Anonymous
1,089 views
I need to figure out the molarity in the problem.
A) 3.60g of sulfuric acid in 450.0mL of solution I was going to take 3.60 /
1 answer
asked by
Leslie Hill
1,088 views
There is a minimum angle above the ground such that if the ball is launched below this angle, it can never clear the bar, no
1 answer
asked by
Kevin
1,075 views
A student wants to know why, if we can define 0! as 1, we cannot define 1 over 0
1 answer
asked by
Juddy
1,071 views
Complete combustion of propane (C3H8).
How many grams of water are produced when 50 grams of propane are reacted with 101 liters
1 answer
asked by
Kelsey
1,064 views
Aria Acoustics, Inc. (AAI), projects unit sales for a new seven-octave voice emulation implant as follows:
Year Unit Sales 1
0 answers
asked by
Sarah
1,053 views
“Nature is bountiful, which is why logging should be strictly regulated.” Which logical fallacy is illustrated in this
1 answer
asked by
jb
1,029 views
Spectroscopic studies have shown that the fusion reaction in the sun's core proceeds by a complicated mechanism. One proposed
1 answer
asked by
sarah
1,028 views
A solid, uniform disk of radius 0.250 m and mass 60.4 kg rolls down a ramp of length 4.60 m that makes an angle of 18.0° with
1 answer
asked by
mathew
1,021 views
What is the percentage yield for a reaction if you predicted the formation of 21 grams of C6H12 and actually recovered only 3.8
1 answer
asked by
Sharon
1,021 views
Carl hits a 0.05 kg golf ball giving it a speed of 65 m/s. What impulse does he impact to the ball?
1 answer
asked by
Please help
1,019 views
The graph of f(x) = |x| is transformed to g(x) = |x + 1| – 7. On which interval is the function decreasing?
A) (–∞, –7)
0 answers
asked by
Kitty
996 views
A piece of japanese armor was once used to protect the heads of soildiers this work has since been replaced by twenty-first
2 answers
asked by
rome
980 views
Little Caesar's Pizza had a commercial on television that claimed you could buy one pizza and get another one free, with up to 5
0 answers
asked by
Zoe
976 views
You have been hired as a consultant for Pristine Urban-Tech Zither, Inc. (PUTZ), manufacturers of fine zithers. The market for
1 answer
asked by
Sarah
955 views
Charges of 4 µC are located at x = 0, y = 2.0 m and at x = 0, y = -2.0 m. Charges Q are located at x = 4.0 m, y = 2.0 m and at
2 answers
asked by
srdja
947 views
A natural way to reinforce science process skills and introduces the scientific
method. This strategy, especially appropriate for
2 answers
asked by
Eva
917 views
I know someone has posted this question before but didn't get an answer so sorry for the post.
The box-and-whisker plots show
1 answer
asked by
Anonymous
914 views
We are told that events A and B are conditionally independent, given a third event C, and that P(B∣C)>0. For each one of the
1 answer
asked by
qwerty
908 views
To what extent can intrapersonal conflict affect choice of a career
1 answer
asked by
mary
907 views
can i ask u some question? about the heat transfer..1st question ,On a hot summer day, a student turns his fan on when he leaves
2 answers
asked by
akalili
904 views
What group believed president Lincoln's reconstruction plan was to easy?
A. Democrats B. Freedman C. U.S Senate D. Radical
5 answers
asked by
Anonymous
888 views
The manager for a growing firm is considering the launch of a new product. If the product goes directly to market, there is a 40
1 answer
asked by
Sarah
881 views
Need help with this.
A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic
1 answer
asked by
Kaelan
852 views
National Education Technology Standards: NETS for Teachers. 1. Facilitate and Inspire Learning and Creativity.
b. engage students
4 answers
asked by
Cathy
834 views
a punter kicked the football into the air with an upward velocity of 62 ft/s. Its height h in feet after t seconds is given by
2 answers
asked by
Amy
821 views
In the population, the average IQ is μ = 100 with a standard deviation of σ = 15. A team of scientists wants to test a new
1 answer
asked by
sam
814 views
A photograph measuring 8 inches by 6 inches is surrounded by a mat. The mat has the same width on all sides of the photograph.
1 answer
asked by
Jenna
814 views
Horizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip
1 answer
asked by
Marita C
810 views
six symptoms of intrapersonal conflict
2 answers
asked by
loveness
800 views
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A
0 answers
asked by
alba
795 views
Two rectangular blocks are stacked on a table. The upper block has a mass of m2 and the lower mass is m1 > m2. The coefficient
0 answers
asked by
Jessica
793 views
3.455 round off to the nearest tenths
3 answers
asked by
Daisy
793 views
how microwave ovens work,and explain how they cook much faster than conventional ovens.Discuss whether conventional electric or
1 answer
asked by
akalili
792 views
Verizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip
1 answer
asked by
Marita C
790 views
How many grams of hydrogen gas be produced from the reaction of 3 g of magnesium with 4 g of hydrochloric acid. identify the
1 answer
asked by
Lucy
786 views
Determine the effective interest rate if money is worth 18% compounded monthly.Give your answer to two decimal places.
1 answer
asked by
Patriciah
783 views
Experiment 1 results:
mass of crucible 88g mass of hydrate 93g mass of salt 91.196g 1. Calculate the following: a:mass of water
0 answers
asked by
Leanna
780 views
How many liters of oxygen a@STP will produce 195 grams of diphosphorus pentoxide when reacted with sufficient phosphorus?- exact
1 answer
asked by
Kristen
778 views
What is the moral of “The Wife of Bath's Tale”?
A. Men should never let women gain the upper hand. B. The best judges are
1 answer
asked by
Emi
778 views
to what extent can intrapersonal conflict affect communication in relationships
1 answer
asked by
Anonymous
763 views
show the link between intrapersonal conflict and initiating relationship
3 answers
asked by
queen
761 views
How do you investigate the areas of regular polygons with a fixed perimeter of 12 units
1 answer
asked by
getty02
731 views
In the shortrun function of a company with a constant variable cost is given by the equation q=225+55q,where TC is the total
0 answers
asked by
Grace pebetse
730 views
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°.
1 answer
asked by
Anonymous
724 views
A 310-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 25° with the horizontal. What is
0 answers
asked by
alba
723 views
Bob catches a train to work every day from monday to friday. the probability that the train is late on monday is 0.45. the
1 answer
asked by
neel
723 views
how do we round off 7.43 into 2 decimal places
1 answer
asked by
zohad
720 views
Verizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip
1 answer
asked by
Marita C
717 views
I have the same problem as Marita. Can someone tell us what equation to use.
Horizon has a cell phone plan for $28.00 per month
1 answer
asked by
Samuel
717 views
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°.
0 answers
asked by
Anonymous
706 views
A high school student created a remote control car that can travel 66 feet in 6 seconds. Express as a unit rate
A. 11 feet/sec B.
1 answer
asked by
anonymous
690 views
Five practical actions i can take to adress ham rights violation of xenophobia in my community
8 answers
asked by
Olaotse
678 views
I need help answering these questions.
DIRECTIONS: Your friends are asking you to make plans for this weekend, but you are not
1 answer
asked by
....
676 views
Martina heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that
1 answer
asked by
Brooke
675 views
The GoodTaste Club collected recipes from members and published a cookbook entitled Eat 'Em Up. The book will sell for $18 per
0 answers
asked by
Jon
674 views
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