alexa

This page lists questions and answers that were posted by visitors named alexa.

Questions

The following questions were asked by visitors named alexa.

well im doing a science project and theyare asking me to putbranches and make up a question for each but i don't know a good brach well actually there are different branches like botonamy-plants chemistry food physics medicine and many many more ghfvuyhgh...

1. Cl2(g) -> 2Cl(g) 2. H2(g) at 5.0 atm -> H2(g) at 1.0 atm 3. sublimation of solid CO2 4. 2H2(g) + O2(g) -> 2H20(g) 5. PCl5(g) <-> PCl3(g) + Cl2(g) A. The change in entropy will be positive. B. The change in entropy will be zero. C. The change in entropy...

For the isoelectronic series S2-, Cl-, Ar, K+, and Sc3+, which species requires the least energy to remove an outer electron? thanks They all have the same number of electrons (40) in the same shell arrangements, but S(2-) has the least nuclear charge. Th...

sulfur trioxide gas dissociates into sulfer dioxide gas and oxygen gas at 1250 degrees C. In an experiment, 3.6 moles of sulfur trioxide were placed into an evacuated 3.0-L flask. THe concentration of sulfur dioxide gas measured at equilibrium was found t...

how do i make a number period if i am given a grid and a number of different numbers to work with?

what is the hundredth number and the tenth number? 46.135 is the 1 the tenth and is the 3 the hundredth

What was the first experiment in which B.F. skinner tested the theory of operant conditioning? Details on the experiment? Any help would be appreciated. =)

I don't understand the formula for sodium hydrogen phosphate. Can you please tell me it and explain it?

how do i solve this equation? log3x+log3(x-24)=4

compare the units for primmeter,area,and volume how are they diffrent and how are they the same

how do you do average

john's paint crew knows from experience that its 18 ft ladder is particularly stable when the distance from the ground to the top of the ladder is 5 ft more than the distance from the building to the base of the ladder. in this position, how far up the bu...

If a car completes a 3.8 mi oval track in 69.7 s, what is the average speed? answer in mph Did the car accelerate? (A.yes the direction of the motion changed or B. yes the speed changed or C. no the speed didn't change)

Which of :acceleration,age,speed,temperature,and velocity are vector quantities? Are any of them scalars?

A car travels in a straight line for 3.7h at a constant speed of 63 km/h. What is the acceleration? Answer in m/s^2

A particle at rest undergoes an acceleration of 2.5 m/s^2 to the right and 3.2 m/s^2 up. What is its speed after 5.9s? Answer in m/s

this is in addition to my previous question (the particle undergoing an acceleration of 2.5 m/s^2 to the right and 3.2 m/s^2 up. what is its speed after 5.9s?) What is the direction with respect to the horizontal at this time? Answer between -180 degrees...

A heavily loaded freight train moves with constant velocity. What is the relationship between the net force on the first car (F1) and the net force on the last car (F2)? A. F1=F2 B. F1>F2 C. F1<F2 D.unable to determine Would it be choice a?

A female gymnast weighs 200 N. If she is hanging stationary from a high bar,how many forces are acting on her? A. one B.five C.four D.two E.three WOuld it be choice A or D?

An elevator is being lifted up an elevator shaft at a constant speed by a steel cable. All fricional effects are negligible. In this situation,forces on the elevator are such that?: A.the upward force by the cable is greater than the downward force of gra...

A toy car is given a quick push so that it moves on an inclined ramp. After it is released, it moves up, reaches its highest point and moves back down again. Friction is so small it can be ignored. What net force acts on the car? A. net force of zero B. N...

Sue and Jenny kick a soccer ball at exactly the same time.Sue's foot exerts a force of 62.3 N to the north. Jenny's foot exerts a force of 115.9 N to the east. What is the magnitude of the resultant force on the ball? Answer in N. What is the direction of...

A man is pulling on a rope with a force of 88N directed t an angle or 20 degrees to the horizontal. What is the x component of this force? What is the Y component of this force? Answer in units of N This is what i did, but i don't know if its right: x: co...

A force is applied to a 2.6 kg mass and produces 2.7 m/s^2 acceleration. What acceleration would be produced by the same force applied to 14.9 kg mass? Answer in units of m/s^2 Here is my work, but i wanted to make sure if it was right or not: 2.6(2.7)=7....

A 4100 kg helicopter accelerates upward at 2.44 m/s^2. The acceleration of gravity is 9.8 m/s^2. What lift force is exerted by the air on the propellars? Answer in N. I wasn't sure which way to approach this problem, so i tried it two different ways: A. 2...

A 2172.5 kg car is coasting along a level road at 34.7 m/s. A constant braking force is applied,such that the car is stopped in a distance of 50.5 m. What is the magnitude of the braking force? Answer in N. Here is my way, but im not sure if im correct: V...

A dragster and driver together have mass 918.8 kg. The dragster,starting from rest,attains a speed of 25.8 m/s in .53s . Find the average acceleration of the dragsters during this time interval. Answer in units of m/s^2. What is the size of the average fo...

On planet x, an object weighs 10.4N. On planet B where the magnitude of the free fall acceleration is 1.48g (where g=9.8 m/s^2 is the gravitational acceleration on Earth),the object weighs 24.6N. The acceleration of gravity is 9.8 m/s^2. What is the mass...

This question refers to my question that was replied to: Sue and Jenny kick a soccer ball at exactly the same time.Sue's foot exerts a force of 62.3 N to the north. Jenny's foot exerts a force of 115.9 N to the east. What is the magnitude of the resultant...

I have a question based off of the response to the question I posted below. Sorry, i wanted to make sure that i clearly understood,so My question about the third solution is: Is the horizontal force zero N? or is it 721.3N? A dragster and driver together...

I have a question based off of the response to the question I posted below. A dragster and driver together have mass 918.8 kg. The dragster,starting from rest,attains a speed of 25.8 m/s in .53s . Find the average acceleration of the dragsters during this...

A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2.

The horizontal surface on which the block of mass 4 kg slides is frictionless. The force of 30N acts on the block in a horizontal direction and the force of 60N acts on the block at an angle. What is the magnitude of the resulting acceleration of the bloc...

A locomotive pulls a series of wagons. Which is the correct analysis of the situation? A. because action always equals the reaction,the locomotive cannot pull the wagons,-the wagons pull backward just as hard as the locomotive pulls forward, so there is n...

You hit someone with a force of 173N. How much force is exerted on you? Answer in units of N.

A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 845 N. As the elevator moves up,the scale reading increases to 940N,then decreases back to 845N. The acceleration of gravity is 9.8 m/s^2. Find th...

A child learns in school that the earth is traveling faster than 100,000 kilometers per hour around the sun, and in a frightened tone asks why we arent swept off. What statement about the motion of the Earth is, on average,true? A. We are traveling slower...

On take off, the combined action of the engines and wings of an airplane exerts a(n) 7767 N force on the plane,directed upward at an angle of 59.1 degrees above the horizontal. The plane rises with constant velocity in the vertical direction while continu...

A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis...

A person who looks at a sequence of 14, 12, 10, 8 and decides that the next two terms are 6 and 4 is doing deductive thinking. True False

1. How many grams of NaCl are present in 15 mL of a 2.0% solution?

if you had 0.028 moles of copper sulfide, how many grams would you have?

Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0210 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate? Ksp=1.20×10^–5 silver sulfate ksp=4.93x 10 ^-5 calcium sulfate

A dog breeder wanted to produce a small variety of cocker spaniel. He mated the smallest dogs from various litters for many generations. This is an example of

Tonya's mother is 1.5 times as tall as Tonya was when she was 6. How tall is Tonya's mother? Use the correct number of significant digits.

what do you call a group of organs working together to perform a specific function?

tissuis are grouped together to form which type of structure?

1. Which of these South Asian countries is an Islamic republic? A. Pakistan B. Bangladesh C. Sri Lanka D. Nepal I believe the answer is A but I want to make sure 2. Why are poverty levels high in much of South Asia? A. high populations and low economic de...

the excerpt from Always Running and the poem Race Politics describe the same central incident. How is the focus on the two versions different?

what number minus 419 equals to 62,772

Which of the following goes against the Aufbau principle? 1s22s2 1s22s12p5 1s22s22p2 1s1

what is the first step to simplify 12-7+9

Answers

The following answers were posted by visitors named alexa.

there is no answer. it doesn't say where anyone besides the man is going, so i guess just one

atlas was a greek god who held the world on his shoulders, it's also a book/map

two girls were born on the same day of the same year, they have the same mother and father. but the girls are not twins how can this be? they're triplets duh

so how do i know which one is correct? If i understand correctly you said it could be Na2HPO4 or NaH2PO4... also i don't understand how there can be +1 Na and then a -3 PO4... wouldn't it then have to be Na3 to balance? sorry i'm really lost

I got ALINEOECHORUSGIRLS? What is that supposed to mean?

how do fish use density in their lives?

thanks so much!!

thankyou so much!

Most nouns ending -o and -os are masculine.Most nouns ending in -a and -as are feminin.

The following data relate to direct labor costs for the current period: standard cost36000hours $22 actual cost 35000hours $23 What is the direct labor time variance?

What you want to do is find the slope of all 4 sides and you should get to slopes the same...and follow a regular proof till you say its a trap.then to prove its not isosceles you use the for sides again but this time with the distance formula...and then...

go to IXL its a really good page

you would have 40

its either a or c because india doesn't isolate from other countries because they trade crops

thank you sue you slayyyy :)

it's actually 2.0 mol

David leaves the house to go to school. He walks 200m west and 125m north. How far away is he from his starting point? (the diagonal) explain please

“ask GOD” i love you ashanti

what about number 11

What is the opposite 17

1.c 2.c 3.a 4.c 5.c 6.a I just did this today and this is what the answers were not saying im wrong or right.

whats the answer tho

uggg I need help with this question please somebody help!

your wrong the answers for Conexus academy is 1.A 2.C 3.B 4.C 5.C

Muhammad was the fouder of the Islam and is also considered, in their doctrine, as a messenger and prophet of God. He lived in the period of 570 CE and 632 CE. One of his beliefs was that people were not worshiping God correctly and, after some revelation...

Their development of advanced concepts, techniques and use in production, investment, finance, economic development, and etc. This helped them with the way they had lived their lives

Omg I have this one my dumb test

a. variation of the tomato plants

nice song but i died at boss part at 76 percent

i dont know find it yourself du