Questions Asked on
February 22, 2018

physics question
Due to electric effects on the earth and in the atmosphere, there is an electric field near the earth's surface that points down. Assuming the electric field is uniform with a magnitude of 150 N/C, what charge would a 145g baseball need to float as though
asked by anonymous 
History
{The Second Great Awakening picture} What is this drawing of a camp meeting most likely illustrating? A. The growth of reform movements in the United States B. The large influence revivals had on Americans (My choice) C. The rise in the information of
asked by liptonTEAAA 
Geometry
I have to angles and a side how do I do this Angle 1: 90 degrees Angle 2: 63 degrees Side 1: 5 mm I know angles need to add up to 180 so 90 +63=153 180153=27 so the angle is 27 How do I figure out the sides? I have 5mm to start I am really not sure I
asked by Paige 
Science
How does the mass of the moon and the earth help the moon stay in its orbit around the earth?
asked by Jaime 
Science
Why is it important for scientists to figure out how much matter is in space?
asked by Gary 
Math
If 100 students surveyed, about how many students own 2 or more pets? Explain
asked by Ryan 
Science
A bullet of mass 10gm is fired from a gun of mass 1kg with a velocity of 100m/s. calculate the ratio of kinetic energy of the bullet and the gun.
asked by Ganesh 
algebra 2
Write polynomial function with the given zeros. x=1,2,3 *show work i need to be able to do this when i take my final
asked by lexi 
algebra 2
find the real or imaginary solutions of each equation by factoring. 3x^3+3x^2=27x *please show work so i can learn how to do this.
asked by lexi 
algebra 2
list all the possible rational roots of P(x) given by the Rational Root Theorom. P(x)=4x^42x^3+x^212
asked by lexi 
algebra 2
find all the zeros for each function. P(x)=2x^33x^2+3x2
asked by lexi 
math  quadratic problems
1. What must be the dimensions of a rectangle to have an area 125m^2 and a perimeter of 60m? 2. In a right angle the hypotenuse is 15cm. if the second side is twice the length of the third side, calculate the exact length pf the shortest side. 3. THe
asked by need help with all 
physics
a 50kg box is being pushed along a horizontal surface. the coefficient of kinetic friction between the box and the ground is 0,350.what horizontal force must be exerted on the box for it to accelerate at 1,20m/s square
asked by btombhi 
physics
In an outdoor game a small bag of rice is thrown from near the ground with a velocity of 3.50 m/s at an angle of 30.00 above the horizontal. Find out how long the bag will be in the air before it lands at the same height from which it was thrown and how
asked by jeremy 
Physics
An electron oscillates one thousand million times per second along the zaxis with a displacement z(t)=sin(ωt) mm. What is the value of the electric fie ld E(t) produced at a distance r of ten meters (x=10m, y=0, z=0)?
asked by Can't solve this :( 
Im very confused and need help Language Arts
1. The memory of cannon fire fades like evening mists 2. Footsteps echo softly on the grass above me 3.My bride kneels at a stone Part A) After reading the poem, what conclusion can you draw about the speaker? The speaker is a soldier, in his first battle,
asked by Harley 
Physics
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1200N. F=
asked by Nina 
Chemistry
If a spectrophotometer was not zeroed before making measurements, what effect would it have on the calibration curve?
asked by Lyndsay 
Science
1. How did plantesmals form plants A. They broke into smaller chunks B. They collided and stuck together** C. They cooled and pulled ice together D. They began to rotate 2. Whats the distance used to define the astronomical unit A. The average distance
asked by Ybn Mira 
Research
Help Developing research questions based on racial disparities in Baltimore City vs. Baltimore County.
asked by Kierra Merton 
Math
Is 146% of 33,610 twothirds?
asked by Mee 
Math HELP!!!!
Median household income for AfricanAmericans in Baltimore is nearly half that of whites, $33,610 compared to $60,156, according to the report by the US Census Bureau.? What is the fraction of this report? IN NEED OF STEPS
asked by Mee 
science
Please help me with the following questions. 1. As the mantle heats up due t the heat from the core, it begins to rise. Why does this happen? A. Because density is increasing as temperature increases B. Because density is decreasing as temperature increses
asked by Random 
English
I need my rewritten paragraph to be checked for proper spelling, grammar, runon sentences etc. Original: Scientists report that creatures living in the deep sea are in danger of starving to death. Millions of undiscovered species live, in the deep sea.
asked by / 
Math
A bicycle wheel has a diameter of 63cm how many meters does the bicycle travel for 100 revolution of the wheel
asked by Anonymous 
Social Studies
Describe how and why the middle colonies had such a diverse population.
asked by Kaitlyn 
Science
Which of the following diseases is not explained by germ theory? a malaria bHIV ccancer dflu
asked by Anonymous 
Biology
What is the nature of phloem vessel
asked by Afif 
differential eqautions
linear equations of order one 1. (x^21)dy/dx+2y=(x+1)^2
asked by skorge 
World History
Read the summary. The Ottoman Empire began as the unification of Seljuk tribes, organized by Osman Gazi (1). The Ottomans were a hybrid of the Turkish, Byzantine, and Muslim cultures (2). They embraced the Eastern Christian Orthodox religion and denounced
asked by Alex 
Math
What is conliniear points
asked by Notknown 
Physics
Can someone help me do this? I'm not sure where to insert the numbers nor in which equation. The tires on your truck have 0.35 m radius. In a straight line, you drive 2600 m. What is the angular displacement of the tire, during this trip? Would the angular
asked by Mariam 
physic
Two black holes (the remains of exploded stars), separated by a distance of 10.0 AU (1 AU = 1.50 ✕ 10^11 m), attract one another with a gravitational force of 6.50 ✕ 10^25 N. The combined mass of the two black holes is 5.40 ✕ 10^30 kg. What is the
asked by joy 
math
The volume of icecream in the cone is half the volume of the cone. The cone has a 3 cm radius and height of 14 cm. What is the depth of the icecream, correct to 2 decimal places? Answer = 11.11
asked by anonymous 
Calculus
For what values of x does the series 1 + 2^x + 3^x + 4^x + ... + n^x + ... converge? A. No values of x B. x >= 1 C. x > 1 D. x < 1 E. All values of x I think the answer is C, because n^(1) = 1/n, which diverges.
asked by Anonymous 
History (pls help)
1. Which of the following actions accured first? A. Japan attacked Pearl Harbor. B. The Axis powers invaded neighboring territories. C. The LendLease Act was proposed. D. The United States drafted men into the armed forces Help pls 7th grade history
asked by Person 
history
After the middle of the 18th century, what options did Indians still have in responding to the encroachment of settlers? How had Indian behavior changed since the Iroquois mourning wars of the 17th century?
asked by David 
English
Which of these sentences from the story is an example of a hyperbole? Orpheus and Eurydice. A.) Soon he saw the River Styx, which separates the Underworld from the world of the living. B.) He was the King of Thrace, the most musical of all the Greek
asked by Dylan 
MathPhysics
What is the total force on the bottom of a 400cmdiameter by 1.5mdeep round wading pool due to the weight of the air and the weight of the water? (Note the pressure contribution from the atmosphere is 1.0 x 10^5 N/m^2, the density of water is 1 g/cm^3,
asked by Ana 
Science
What it the answer to this Two nonmetal from group 16 are likely to form what
asked by Landon 
Calculus
Which integral represents the limit as x approaches inf. of 1/n(√(1/n) + √(2/n) + ... √(n/n))? A. int from 0 to 1 of x dx B. int from 0 to 1 of √x dx C. 1/2 * int from 0 to 1 of 1/√x dx D. 2 * int from 1 to 2 of x√x dx
asked by Anonymous 
algebra
The table below shows the percentage of households that own a microwave in different countries. Construct a stemandleaf plot of the data. Country Percent Of Household With Microwave Ovens _____________________________________________________________
asked by Erica McDonnell 
Geometry
Find the geometric mean of the pair of numbers 6 and 10. sq rt 66 sq rt 70 60 2sqrt 15 my answer is 60
asked by Lost 
Physics  please help!
I don't understand this: Russian ice skater, Alina Zagitova, spins her way to projected Gold in the 2018 Olympics. During one particular spin, she moves from a camel spin that rotates at about 95. RPM to a tight spin. If her rotational inertia changes from
asked by Mariam 
Chemistry
A student took 100 mL of a solution of Mg(OH)2 and reacted it with H2SO4 (aq) to calculate the concentration of hydroxide ions in the solution. If 13.75 mL of 0.010 M H2SO4 was used to react with all of the OH (aq) in the 100mL solution, what was the
asked by Kalista 
Math
2v  7 = 23 what is v?
asked by Meep 
Chemistry
cobalt(11)chloride is commonly obtained from chemical supply houses as a hydrate with the formula CoCl2*6H2O. An analysis showed that 25.0g of this hydrate contains 11.3g of water.What is the percent water by weight in this hydrate?
asked by Xihlamariso 
math
Gabriela has dinner at a cafe and the cost of her meal is $45.00Because of the service, she wants to leave a 15% percent tip. What is her total bill including tip?
asked by Dina 
Science
"Most of the solar radiation is absorbed by the atmosphere and much of what reaches the earth's surface is radiated back into the atmosphere to become heat energy." What can you conclude about heat energy? Most of the sun's energy is used to make heat
asked by JImmy 
Physics  last question I'm stuck on!
A pellet is fired through two circular plates .8 m apart, both rotating at 95rad/s. The angular displacement of second bullet hole is 82° from the first bullet hole. Calculate the bullet’s speed in m/s. If someone could help me see where to insert the
asked by Mariam 
Math
what are the perimeter and area of a rectangle with a length of 20in and a width of 50in
asked by Me 
physics  please check my answer?
Consider a block of copper that is a rectangular prism (a box) with sides 15 cm by 20 cm by 50 cm. The resistivity of copper is 1.68e8. If you consider the resistances between the three sets of parallel faces, which has the middle value? A. The resistance
asked by anonymous 
Math
3(4  2x) = 2x? How do I find x
asked by Hex 
Physics
A girl (22.5 kg) goes down a straight slide inclined 38.0° above horizontal. The child is acted on by his weight, the normal force from the slide, kinetic friction, and a horizontal rope exerting a 30.0 N force as shown in the figure. How large is the
asked by Anonymous 
physics
A mass m1 = 28 kg on a frictionless ramp is attached to a light string. The string passes over a frictionless pulley and is attached to a hanging mass m2. The ramp is at an angle of θ = 31° above the horizontal. m1 moves up the ramp uniformly (at
asked by joy 
Trigonometry
Find the distance from the ladder to the base of the slide, marked with an x in the diagram. Give your answer accurate to one decimal place. The height of the right angle triangle is 4 m, the hypotenuse is 7 m and the missing variable is on the bottom
asked by Michael 
Can someone check my answer plzzz!!!
Simplify (6x^2)^2(0.5x)^4 show your work IS this right?? (6x^2)^2 * (0.5x)^4 =6^2 x^4 *(0.5)^4 x^4 =(36 * 0.0625) * (x^4 * x^4) = 2.25 * x^0 =2.25 *1 =2.25 is this right Can you check my answer?
asked by that emo girl! 
History
1:Affirmative action is a policy designed to do which of the following? Select all that apply (2 points) A:Distribute reparations to victims of discrimination. B:Increase diversity in education and employment*** C:Counteract the effects of past
asked by anonymous 
Tutor
Hi, I am a student a Michigan's connections academy and I need a tutor to help me out with some types of math, science, social studies. And a few others some stuff I don't understand and all of my teachers don't explain very good except for my math
asked by Black Bandit 
algebra 2
explain how to determine the end behavior of a polynomial.explain throughly with example(s)
asked by lexi 
History
Which of the following are contributing factors to de facto segregation in America today? A:judicial rulings and political parties B:executive action and interest groups C:state legislation and public opinions D:housing patterns and economic opportunity***
asked by anonymous 
Can someone help me Math problem!!
1. Which of the following is equivalent to x^5y^2/xy^2 when x not= 0 and y not= 0? a. x^6y^5 b. x^5y c. x^4y d. x^4
asked by that emo girl! 
Science
7. The rate at which velocity changes is? A. Acceleration B. Direction C. Speeds D. Velocity 8. Which is the example of velocity? A. A pickup driving 30 km in 20 minutes B. A car slowing down on a sharp curve C. An airplane traveling 450 km/h D. An 18
asked by Bella 
MATH
Does anybody know how (M+/ √M^24FGr^2/G))/2 equal to 1.85*10^30+/ 1.32*10^30 When M=1.85*10^30,F=5.00*10^25, G=6.67*10^11 and r=1.5*10^12. I don't know where 1.32*10^30 comes from. Please explain with steps
asked by Anonymous 
Chemistry  Equilibrium
How should I do this question? Thanks Suppose you wanted to produce an aqueous solution of pH = 8.60 by dissolving one of the following salts in water: KNO2 At what molarity? two significant figures.
asked by Jasper 
3D Computer Modeling
1. In the simplest terms, which of the following is 3D modeling is all about? A. Computers B. Collaboration C. Creativity D. Shapes 2. Only animate objects can be made into three dimensions. A. True B. False 3. Nothing has revolutionized animation like
asked by Hello 
Math
For safety reasons, the angle between a ladder and the ground should be between 65° and 80. A ladder that is 5 m long is placed so that it reaches a window on the top floor of a house. If the foot of the ladder is 1.5 m from the house, is the ladder safe?
asked by Jerry 
Chem
A sample of NH4HS(s) is placed in a 2.61 −L flask containing 0.120 mol NH3(g). NH4HS(s)⇌NH3(g)+H2S(g) Kp=0.108 at 25∘C Part A What will be the total gas pressure when equilibrium is established at 25∘C? I'm getting P = 1.21atm which is wrong. Can
asked by K 
Maths
If the scale on a map is 1cm = 1km, how do I convert 3.4cm to km?
asked by Tiana 
physics please check my answer
Consider the following circuit that contains a battery and six identical resistors: The diagram has branch A with one resistor, connected to branch B with two resistors connected in parallel, and then branch B is connected to branch C with three resistors
asked by anonymous 
Lit
Will some help me write an alternate ending to frankenstein. Please
asked by Lauren 
pre algebra
The table below shows the percentage of households that own a microwave in different countries. Construct a stemandleaf plot of the data. Country Percent Of Household With Microwave Ovens _____________________________________________________________
asked by Erica McDonnell 
physics
A skydiver of mass 81.5 kg (including outfit and equipment) floats downward suspended from her parachute, having reached terminal speed. The drag coefficient is 0.533, and the area of her parachute is 20.96 m^2 . The density of air is 1.14 kg/m^3 . What is
asked by joy 
Math
An encyclopedia set has 36 volumes. Each volume is 1 1/4 inches thick.Three volumes have already been placed on the shelf that is 30 inches long. What information is not needed to determine how many more volumes will fit on the shelf?
asked by Floss 
physics question
A 3m slinky rests on a table with a student holding each end. The students laterally shake the ends of the slinky to generate transverse waves. The student on the left shakes the slinky at 4 Hz with a 5 cm amplitude and the student on the right shakes it
asked by anonymous 
Math
Shandel went to the County Fair this summer and was surprised to see a math game on the midway among the games of skill and chance. Picture of a Midway BarkerIn the game, the barker starts by thinking of a math rule or calculation. The player spins a
asked by Anonymous 
Math
Good evening. I have a math problem that I just need a bit of help on please. A trap for insects is in the shape of a triangular prism. The area of the base is 3.5in and the height of the prism is 5 in. What is the volume of this trap? Do I just need to do
asked by Patrick 
Math
Only boxes less than 3 1/2 ft wide will fit through a doorway. Which measurements show Th widths of three boxes that will each fit through the doorway?
asked by Maryem 
Calculus
For the series from 1 to inf of (2n^2  1)/(3n^5 + 2n + 1), would it be possible to compare (2n^2  1)/(3n^5 + 2n + 1) to 2/3^3 for the limit comparison test?
asked by Anonymous 
Chemistry
Suppose you wanted to produce an aqueous solution of pH = 8.60 by dissolving one of the following salts in water: KNO2 At what molarity?
asked by NoName 
Math
A student wrote this statement: "A triangular prism has a height of 15 inches and a base area of 20 square inches. The volume of the prism is 300 square inches." Identify and correct the error. I am not sure because I am new at doing this kind of math.
asked by Patrick 
Physics
At a distance H above the surface of a planet, the true weight of a remote probe is six percent less than its true weight on the surface. The radius of the planet is R. Find the ratio H/R.
asked by vanessa 
Physics
The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of
asked by vanessa 
Physics
A raindrop has a mass of 5.9 107 kg and is falling near the surface of the earth. Calculate the magnitude of the gravitational force exerted in the following. (a) on the raindrop by the earth
asked by vanessa 
Physics
Venus has a mass of 4.86 1024 kg and a radius of 6.05 106 m. (a) What is the acceleration due to gravity on Venus?
asked by vanessa 
Physics
A 5.0kg rock and a 3.8 104kg pebble are held near the surface of the earth. (a) Determine the magnitude of the gravitational force exerted on each by the earth.
asked by vanessa 
biology
Cross 2 heterozygous running, heterozygous black mice A cross between a mouse that is waltzing brown with a mouse that is running brown generates some offspring that waltz. What are the parental genotypes? What Is the offspring phenotype ratio A cross
asked by Anonymous 
science
Define inductive reasoning. using general theories or principals to make predictions about more specific situations doubting or not accepting conclusions or ideas until they have been adequately tested and verified A? answering questions based on what can
asked by Bri 
English
Narrative Essay When I finally got home I saw a mysterious stranger sitting on my porch
asked by Cedric 
Essay
Do Electronic Devices Improve Our Lives? Please help me!! Someone give me ideas!!! I have writers block, because of how many stories I do! Please Help!!! I only need ideas!!!!
asked by meh 
algebra 2
write a polynomial function in standard form with zeros : 1,1,6 SHOW WORK PLEASE
asked by lexi 
math
Dear people of Jiskha, Thank you for helping me today
asked by Anonymous 
french revolution
After meeting @ Versailles the new national assembly produced a document. What was it? Was the Tennis Court oath a document or is it referring to the declaration of rights of man? Who did it apply to?
asked by Anonymous 
physics
Two banked curves have the same radius. Curve A is banked at an angle of 12°, and curve B is banked at an angle of 20°. A car can travel around curve A without relying on friction at a speed of 19.5 m/s. At what speed can this car travel around curve B
asked by joy 
Essay Critique
I need someone to help critique my essay rough draft. My commentary, intro, and conclusion.
asked by Brendan 
science
Which option correctly demonstrates scientific thinking in practice? The lava flowing from a volcano must be very hot because it is a liquid. The lava flowing from a volcano must be very hot because the majority of scientists agree that it is very hot. The
asked by Bri