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sarah
Questions and answers by
sarah
, page 10
Questions (1,217)
Suppose a 69-kg boy and a 42-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration
2 answers
583 views
a pitched ball is hit by a batter at a 45 degree angle and it just clears the outfield fence, 110m away. If the fence is at the
3 answers
1,297 views
a circular maize field has a radious of 200m.what is the length of the fence around this field?
2 answers
513 views
You are driving a 2530.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an
3 answers
884 views
An airplane with a speed of 85.4 m/s is climbing upward at an angle of 37.6 ° with respect to the horizontal. When the plane's
1 answer
494 views
Checking the weather. 60% chance of rain at the bears football game. In the past, when it rains, bears win ,44% of the time and
1 answer
464 views
an alkane formula c8h18 can form only three monochlorination products give its structure
2 answers
561 views
what is the symbolism and theme in the story Royally Crushed by Niki Burnham? I need it for an essay and I'm having trouble with
1 answer
407 views
Convert Q = 17(0.887)^1.2t to the form
Q = ae^kt Round all calculated values to three decimal places Q = ? My answer was
3 answers
561 views
how to do sight words flashcards?
I can me I can see the color Me and my daddy are going to the park I can dance bally
4 answers
561 views
Mark and job are basketball players and will play a game. In the game, Mark will get 2 free throw attempts and John will get
2 answers
571 views
A hairstlist schedules 1/4 hour to trim a customers hair and 1/6 hour to style. The hairstylist plans to work 3 1/3 hours each
3 answers
480 views
Consider a railroad carmoving and striking another car at rest. The two cars then become attached by a special hitch. Does the
1 answer
336 views
If a railroad car was moving and stroke another car at rest and the two cars then become attached by a special hitch. Does the
1 answer
469 views
A 1300-kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 17.0 m/s. The cars are stuck together. How fast
3 answers
554 views
A compact car, mass 730 kg, is moving at 1.00 ✕ 102 km/h toward the east. The driver of the compact car suddenly applies the
3 answers
2,770 views
A 1300-kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 17.0 m/s. The cars are stuck together. How fast
2 answers
1,303 views
Karen collects 6/7 quart of rainwater. she uses half to clean her bicycle and uses the remaining to equally water 3 plants
2 answers
569 views
If a 648 N body on a carpeted surface has a μs of 0.86 and a μk of 0.68, what amount of force will be required to start
1 answer
329 views
If a 648 N body on a carpeted surface has a μs of 0.86 and a μk of 0.68, what amount of force will be required to start
1 answer
382 views
What is the vapor pressure of a solution of 0.5mol of a non-volatile impurity x and 2.0 g of TaCl5 (L) at a temperature of 226
1 answer
368 views
A skier going down a hill accelerates from 5.15m/s to17.3m/s over a period of 11.7 seconds. For all calculations, you may
1 answer
446 views
For a car traveling 30 mph in normal conditions, the distance required to brake to a stop is normally with a mean of 50 feet and
2 answers
561 views
Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard
2 answers
590 views
Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard
2 answers
534 views
C2H5NO2 + 2H2O → 2CO2 + NH3 + 3H2
You begin with 1.25 × 10-2 moles of glycine and an excess amount of water that will allow
2 answers
626 views
The projected public spending by the British government for the years 2010-2011 (t = 0) through 2014-2015 (t = 4) is 692 billion
1 answer
913 views
Shane takes a big cube of butter with side length x from the fridge. He then cuts out a little cube of side length y from one of
3 answers
542 views
how can i write an intro about fate vs free will ??
6 answers
291 views
Sally the bug has an initial speed of 20.0cm/s. She then accelerates at 8.00cm/s^2 for 5.00s.
calculate sallys total
1 answer
476 views
Shawn and his bike have a total mass of
51.1 kg. Shawn rides his bike 1.7 km in 10.7 min at a constant velocity. The acceleration
5 answers
3,628 views
A box of hot cocoa packets has 30 grams of hot cocoa mix. How many boxes of mix can be made from 6 kilograms of hot cocoa mix.
2 answers
649 views
what are the different types of infections that Ecoli causes?
1 answer
422 views
Starting from rest, a 11.70 kg suitcase slides 3.14 m down a frictionless ramp inclined at 40° from the floor. The suitcase
2 answers
672 views
The following table shows the percentage of individuals in each age group who use an online tax program to prepare their federal
1 answer
959 views
when a molecule of water vapro in the air come into contact with a cold can of soft drink, they lose energy, slow down, and form
3 answers
874 views
A 4 cm candle sits 15 cm in front of a converging lens with a focal length of 6.0 cm. Draw a ray diagram showing the image used
2 answers
524 views
Spectroscopic studies have shown that the fusion reaction in the sun's core proceeds by a complicated mechanism. One proposed
3 answers
909 views
you are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter
4 answers
1,801 views
how can we derive the work-energy theorem form Newton's second law of motion?
1 answer
492 views
calculate the average angular acceleration and initial angular velocity of a wheel that has w=1.5wo(initial omega) at the end of
1 answer
469 views
How many grams of CO2 are produced when 11.47 moles hexane combust?
Show work please
3 answers
407 views
If one pound (454g) of hexane combusts how many grams of water are produced?
How do u set this up? Start it?
3 answers
375 views
If one pound (454g) of hexane combusts with 185 grams of oxygen which reactant is the limiting reactant and how many grams of
3 answers
473 views
Which of the following household electrical appliances has the greatest rate of energy
consumption? ITEM VOLTAGE CURRENT A. Video
2 answers
854 views
Convert 75.0 psi to atm
My work: 75.0psi x 1 psi/14.7 atm =5.10 atm Not sure if this is set up right we are using dimensional
2 answers
535 views
What is the % of a solution containing 18.0g of NaCl in 65 ml of water
18.0/65 * 100 = 27% Right? Wrong?
3 answers
417 views
15.87 g of KBr is dissolved in 125.0ml of water. What is the % w/o
15.87/125.0 * 100 = 13%
1 answer
358 views
What is the molarity of a solution 12.5 naoh dissolved in total volume of 625ml?
NaOH = 12.5/molar mass of NaOH = 12.5/39.99 =
6 answers
463 views
How many grams of MgCl2 is needed to make 1200ml of a .25M solution?
.25M/L* 1200mL/1* 1L/1000mL* 95.211:-/ mol I got 28.563g
2 answers
596 views
Suppose 2100 J of heat are added to 3.3 mol of argon gas at a constant pressure of 120 kPa. (Assume that the argon can be
2 answers
584 views
Why is John Mosby an important figure of the cival war? (If you can, please put them in a list and I need the most important
2 answers
559 views
At what height above the ground must a body of mass 10kg be situated in order to have potential energy in value to the kinetic
5 answers
1,908 views
COMMUNITY EAST HOSPITAL
To call a Patient Dial Direct 395-8 Plus Room Number EMERGENCY ROOM……………….(NNN) NNN-NNNN/p>
2 answers
505 views
Math
from a spot 60 ft from the base of a building the angle of elevation is 48 degrees and the of elevation of the top of the
3 answers
676 views
hey, i have been selected to attend a training abroad but have to pay for travel myself. I need some good place to get travel
1 answer
413 views
If 32.6 mL of 0.240 M oxalic acid are required to titrate 48.9 mL of unknown sodium hydroxide: How many moles of acid are used
3 answers
1,008 views
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
1 answer
578 views
A car is traveling at a constant speed of 25.5 m/s on a highway. At the instant this car passes an entrance ramp, a second car
3 answers
2,242 views
Two identical pellet guns are fired simultaneously from the edge of a cliff. These guns impart an initial speed of 44.7 m/s to
3 answers
893 views
(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 10.5 m/s when going
2 answers
504 views
Suppose a car is traveling at +15.0 m/s, and the driver sees a traffic light turn red. After 0.405 s has elapsed (the reaction
3 answers
909 views
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's
1 answer
510 views
A 14.4-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 66.9 N
3 answers
688 views
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 99-kg laser sensor which measures the
2 answers
566 views
how do you turn a $13.75 into an improper fraction
1 answer
345 views
Chicken was on sale for $7.95 per pound. Laurie bought small package that weighed 0.8 pound. How much did Laurie pay for the
1 answer
470 views
the following are the probabilities of selecting iteams from a bag (candy: grape ?, cherry 3/8, apple 1/4). What is the
2 answers
520 views
Suppose you are hiking along a trail. Make a comparison between your displacement and your distance traveled.
Check all that
7 answers
2,573 views
What does frivolity mean in this sentence
After a year of serious work, Mr. David's grade 8 class enjoyed the frivolity of a
1 answer
382 views
X= least important cause or consequence with explanation why
A,B, C = least important cause or consequence, with explanation why
1 answer
492 views
how did the south atlantic slave trade not change north american colonies
6 answers
473 views
What public health issue starts the escalation of misery in top of the food chain?
1 answer
406 views
A jeweler is heating a gold bar. It takes 7 joules of heat
to raise the temperature of the bar 1°C. The initial temperature of
1 answer
664 views
A jeweler is heating a gold bar. It takes 7 joules of heat
to raise the temperature of the bar 1°C. The initial temperature of
3 answers
772 views
A jeweler is heating a gold bar. It takes 7 joules of heat
to raise the temperature of the bar 1°C. The initial temperature of
2 answers
1,373 views
A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the
2 answers
1,218 views
A car takes 11 s to go from v=0m/s to v = 22 m/s at constant acceleration.
If you wish to find the distance traveled using the
3 answers
1,043 views
solve the system using elimination
2x-5y=8 x-3y=-1 please explian step by step
3 answers
505 views
write the transformation of X cubed if it is shifted right four units and then reflected over the X axis
2 answers
1,207 views
A 214-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude =
3 answers
2,107 views
What motivated the Founding fathers to include the phrase "to form a more perfect union" in the preamble of the U.S
6 answers
1,049 views
The track team plans to sprint 20 miles this school year. The runners will sprint 1/4 mile each day.How many days will it take
5 answers
3,108 views
A cross-country skier who weighs 600 N has chosen ski wax that provides ฯ=0.03. What is the minimum amount of horizontal
3 answers
1,123 views
given: -n+6=8n+6n
prove:n=0
1 answer
297 views
The foci of the elliptical path for an Earth satellite are __________.
A) one at Earth's center and the other elsewhere B) one
3 answers
1,098 views
The intreval volume of a clorimeter was1.12L. A sample of gas of 1.863g of nonae was added, and the closed calorimeter then had
1 answer
459 views
Cheryl is riding on the edge of a merry-go-round, 2m from the center, which is rotating with an increasing angular speed.
4 answers
7,231 views
A 0.014 kg bullet is fired straight up at a falling wooden block that has a mass of 4.0 kg. The bullet has a speed of 700 m/s
2 answers
899 views
Measuring number of surface of the rectangle is 128.If we reduce the length of 4 times, then the number is 96cm2.What is the
1 answer
381 views
Suppose the height of the net is 0.800 m , and the court's border is 11.2 m from the bottom of the net. Use g =10 m/s2 and find
2 answers
524 views
after spending 80% of her money Lei has P100.00 left. How much was her money before
1 answer
346 views
Roma spent 30% of the money she bought to the mall..If she spent 450.00 only,how much did she have with her when she went to the
1 answer
463 views
A ball is thrown up onto a roof, landing 4 sec later at height of 20m above the release level. The balls path just before
3 answers
2,044 views
The concentration of barium ions in any solution can also be determined via gravimetric analysis. An impure sample of barium
4 answers
3,226 views
The concentration of barium ions in any solution can also be determined via gravimetric analysis. An impure sample of barium
2 answers
701 views
The diameter of our disk-shaped galaxy, the Milky Way, is about 1.7E+5 light-years (ly). The distance to the Andromeda galaxy,
4 answers
2,215 views
describe what happen when a piece of wet red litmus paper is passed through a hydrogen gas.
1 answer
315 views
describe what happen when a piece of wet red litmus paper is passed through a hydrogen gas.
1 answer
337 views
I am an even. number the sum of my digits equals 7. I am greater than 40 and less than 50. what number am I?
4 answers
1,243 views
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