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johnny
Questions and answers by visitors named
johnny
Questions (142)
Mr. Angulo buys 5/8 pound of red grapes and 3/8 pound of green grapes. How many pounds of grapes did mr.angulo buy in all?
9 answers
3,003 views
A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is
3 answers
1,456 views
A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is
1 answer
735 views
what is an important theme in the odyssey,Part 2?Describe the events that illustrate this theme?
You need to go to
4 answers
2,068 views
A 2000 kg car negotiates a curve of radius 40.0m on a level road. The static friction coefficient between the tires and the
3 answers
610 views
Continue...previous question
b)what normal force would the car experience on the top of a circular hill of radius 20.0m when it
1 answer
348 views
the hubble telescope has a mass of 1.5 x 10^4 kg and its orbiting the earth 596 km above the ground surface.the earths radius is
3 answers
916 views
what weighs a thousand pounds on monday but weightless by friday??...please help
5 answers
390 views
Halleys Comet. Rmin =8.9 x 10^10 m
Period of orbit = 2.4 x 10^9 sec 1)What is value of K for Halley's comet? 2)Whats the average
3 answers
687 views
Halleys Comet. Rmin =8.9 x 10^10 m
Period of orbit = 2.4 x 10^9 sec 1)What is value of K for Halley's comet? 2)Whats the average
1 answer
367 views
x+2y=3
2x+3y=7
1 answer
223 views
what is the molecular structure around oxygen in water?
1 answer
332 views
i don't understand this paragraph, can anyone explain it to me?
If a large amount of energy is needed to remove an electron from
2 answers
1,055 views
I don't understand this paragraph, can anyone explain it to me?
If a large amount of energy is needed to remove an electron from
2 answers
621 views
I have to make a game based on the
periodic table Here are the standards we could put in the game: Students know how to relate
2 answers
596 views
Your math teacher tells you that next week's test is worth 100 points and contains 38 problems. Each problem is worth either 5
3 answers
1,249 views
Suppose you are starting an office-cleaning service. You have spent $315. To clean an office, you use $4 worth of supplies. You
2 answers
822 views
I have to do a powerpoint project about "Reducing Waste". Although Im stumped on how to organize it. So can someone think of an
1 answer
335 views
If you are given a 2.0 M solution of sucrose, describe in detail how you would make the following solutions (include specific
5 answers
1,960 views
A .288 g sample of an unknown monoprotic organic acid is dissolved in water and titrated with a .115 M sodium hydroxide
4 answers
3,158 views
what is the slope and y-intercept of the line y= -2/3x-12
4 answers
396 views
What similarities and differences do you see between functions and linear equations, Are all linear equations functions? Is
2 answers
1,187 views
What is the difference between domain and range? Describe a real life situation that could be modeled by a function.
1 answer
474 views
whose philosophies do you think most advanced Western religious
thought.
1 answer
352 views
okay I need to find the slope for
8x=7y+63
1 answer
263 views
3-1/2y=8x what is the slope and y-intercept
3 answers
331 views
The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of these two forces? (The average
3 answers
1,555 views
A mass M is split into two parts, m and M - m, which are then separated by a certain distance. What ratio m/M maximizes the
3 answers
872 views
At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
4 answers
1,373 views
In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose the building had been
3 answers
644 views
The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The
1 answer
420 views
An electron has a constant acceleration of 2.0 m/s2. At a certain instant its velocity is 10.9 m/s.
(a) What was its velocity 2.5
1 answer
366 views
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency
3 answers
444 views
An object is hung from a spring balance attached to the ceiling of an elevator cab. The balance reads 60 N when the elevator is
4 answers
1,215 views
A 38 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 16 m apart bu connected by a rope of negligible
2 answers
853 views
A 72 kg man drops to a concrete patio from a window only 0.60 m above the patio. He neglects to bend his knees on landing,
2 answers
802 views
A firefighter with a weight of 722 N slides down a vertical pole with an acceleration of 3.11 m/s2, directed downward.
(a) What
4 answers
3,796 views
Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars
2 answers
601 views
A 72 kg man drops to a concrete patio from a window only 0.60 m above the patio. He neglects to bend his knees on landing,
4 answers
1,068 views
At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
3 answers
886 views
In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose the building had been
2 answers
1,222 views
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm. The motion is simple harmonic, with frequency
6 answers
1,481 views
An automobile can be considered to be mounted on four identical springs as far as vertical oscillations are concerned. The
7 answers
2,100 views
A 1175 kg car carrying four 82 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes
2 answers
1,207 views
In the figure below, a damped simple harmonic oscillator has mass m = 220 g, k = 95 N/m, and b = 70 g/s. Assume all other
3 answers
614 views
Three vectors are given by = 4.5 + 2.5 - 2.0, = -1.0 - 4.0 + 5.0, and = 2.0 + 2.0 + 1.0. Find the following.
(a) a · (b*c ) (b)
1 answer
286 views
The mass of the block is 1.8 107 kg, the dip angle è of the bedding plane is 26°, and the coeffient of static friction between
1 answer
1,043 views
The floor of a railroad flatcar is loaded with loose crates having a coefficient of static friction of 0.20 with the floor. If
4 answers
1,178 views
a slide loving pig slides down a certain 44° slide in twice the time it would take to slide down a frictionless 44° slide.
3 answers
1,165 views
The figure below shows a "conical pendulum", in which the bob (the small object at the lower end of the cord) moves in a
2 answers
820 views
In downhill speed skiing a skier is ed by both the air drag force on the body and the kinetic frictional force on the skis.
4 answers
2,544 views
A house is built on the top of a hill with a nearby slope at angle 45° slope (Figure 6-55). An engineering study indicates that
4 answers
720 views
The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The
1 answer
392 views
A projectile is fired horizontally from a gun that is 97.0 m above flat ground, emerging from the gun with a speed of 250 m/s.
(a
3 answers
718 views
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 12.0 cm mark,
4 answers
848 views
The company borrowed 85,000 from eastern Bank and the questions are
a. List thename of the accountsthat are impacted by the
1 answer
447 views
solve for x
12(x+4)=7x-3
1 answer
271 views
how do you figure out square roots of decimal numbers?
1 answer
350 views
i would like some tips on how to right a level 4 story about an irshman and a cat?
1 answer
240 views
A family drove 1080 miles to their vacation lodge. Because of increased traffic density, their average speed on the return trip
2 answers
592 views
Three students are planning to rent an apartment for a year and share equally in the cost. By adding a fourth person, each
3 answers
488 views
sqrt(x) - sqrt (x-5) = 1
hellpp solve for x pleasee
1 answer
247 views
how do i write the inquality x is between -1 and 2.
4 answers
328 views
The product of 8 and twice a number is 3.
What would that translate to if you were to write it out as an equation?
3 answers
505 views
I'm looking at some problems and I see something like this
| -2 | what do those 2 lines on the outside mean?
1 answer
318 views
Why is it so hard to make the thing that you want the thing that you need
4 answers
449 views
[0, 2pie] 2cosxcscx-4cosx-cscx+2=0
What are these solutions?
1 answer
373 views
The acceleration of a bus is given by a_x(t)=At, where A= 1.21 is a constant.
A)if the bus's velocity at time t_1= 1.14s is
3 answers
1,216 views
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8m/s^2 . The
2 answers
609 views
howdy, just cant seem to get this question, can anyone express this question in words i can get?! thanks
A sound wave of
4 answers
3,370 views
On your first day at work for an appliance manufacturer, you are told to figure out what to do to the period of rotation during
4 answers
1,601 views
Submit pseudocode and a flowchart for the following programming exercise:
Fat Gram Calculator Design a program that asks for the
4 answers
1,666 views
What explains why matter expands when heated and contracts when cooled?
1 answer
465 views
mark syllables, separate feet with short vertical lines, and indicate the rhyme scheme
5 answers
478 views
Rachel cannot remember how much money she had when she came to school this morning. She used half of the money for lunch and
2 answers
989 views
The number 1 is a perfect square and a perfict cube. What is the next smallest whole number which is a perfect square and a
1 answer
1,013 views
The number of Sophomores who eat lunch in the caeteria is about three-fouths the number of Freshmen. If there are 60 more
1 answer
307 views
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2
3 answers
1,163 views
Rewrite the division as a multiplier
14/-72
1 answer
302 views
rewrite the division as a multiplication
14/-72
1 answer
445 views
A driver of a car going 95.0 km/h suddenly sees the lights of a barrier 39.0 m ahead. It takes the driver 0.95 s before he
4 answers
1,361 views
A driver of a car going 95.0 km/h suddenly sees the lights of a barrier 39.0 m ahead. It takes the driver 0.95 s before he
2 answers
659 views
How attending a christian college help you achieve your goal to become pharmacist.
3 answers
308 views
The sum of two integers is -4. Their difference is 12. Name the integers.
1 answer
368 views
The number 1 is a perfect square (1X1=1) and a perfect cube (1X1X1=1). What is the next smallest whole number which is both a
3 answers
1,046 views
Place any of the four operations signs (addition, subtraction, multiplication, or division)in the boxes to make the following
1 answer
449 views
find the speed and period of a satellite that would orbit Mars 203 km above its surface.
3 answers
1,059 views
How high does a rocket have to go above Earth's surface until its weight is one fourth what it would be on Earth?
3 answers
771 views
The sodium and hydroxide atoms separate into ions and the positive sodium ions are attracted to the oxygen atoms and the
1 answer
447 views
if you kick a football at a 30 degree angle, how many seconds is it in the air, and how high does it go
1 answer
1,003 views
PLEASE SHOW ALL WORK
A 15.0-kg cart is moving with a velocity of 7.10 m/s down a level hallway. A constant force of -5.0 N acts
3 answers
1,162 views
suppose each side of a square in the grid is 4 cenimeters and represents 1 meter at a the actual dig site.what the scale factor
2 answers
523 views
In the explosion of a hydrogen-filled balloon, 0.30g of hydrogen reacted with 2.4g of oxygen to form how many grams of water
4 answers
1,415 views
what is (considering wear expression )
mean?
1 answer
262 views
A horizontal spring with k=35N/m is compressed .085m and used to launch a .075kg marble. find the marble's launch speed. Repeat
3 answers
733 views
A small company is pricing out computer systems. A basic system costs $5,718. A larger system, which will allow for growth,
1 answer
435 views
Risa ( 2/3 Hours )
Kerri ( 1 1/2 Hours) Risa finished her workout just as kerri started hers. How long did it take from the time
1 answer
281 views
A 0.006 00-kg bullet traveling horizontally with a speed of 1.00 x 10^3 m/s enters an 20.1-kg door, imbedding itself 10.9 cm
3 answers
4,255 views
16. Which article would be the most appropriate source to include in a bibliography for a research paper on stem cells?
A.
2 answers
1,092 views
what was the role of violence in the Mexican Revolution ?
1 answer
386 views
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