# High School

**Physics**

An 84 kg child descends a slide 7.2 m high and reaches the bottom with a speed of 3.30 m/s. How much thermal energy (in joules) due to friction was generated in this process?

**Math Check Answers**

1.) 1 7/8 + 1/9 0 1 *** 2 2 1/2 2.) 8 8/9 - 5 1/11 4 ** 5 14 11 3.) 7 2/3 x 3 7/9 2 3/27 11 4/9 ** 28 26/27 21 14/27 4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string did he use fir his project? 5/24 1 0 1/4 ** 5.) Mali...

**math**

the total number of students in a school is 1650.70% of the pupils are boys.how many girls are there in the school?

**School Talk**

What happened to "School Talk?" That was kinda helpful.

**Physics**

A 50.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50 m high rise as shown in Figure 6.23. Find his final speed at the top, given that the coefficient of friction between her skis and the snow is 0.0800. (Hint: Find the distance traveled up the incline assuming a ...

**Physics**

A 70 kg waterslide rider traveling at 15 meters per second hits a ramp with a 58 degree launch angle - How high will they fly?

**English**

Posted by rfvv on Monday, October 10, 2016 at 5:28pm. Posted by rfvv on Thursday, September 29, 2016 at 8:17pm. 1. Do you mind if I ask you to open the door? 2. Do you mind if I asked you to open the door? ------------------------ #1 is correct. How about #2? Can we use 'asked...

**math**

A television transmitter tower is 600 feet high. If the angle between the guy wire (attached at the top) and the tower is 57.8°, how long is the guy wire?

**Physics**

Josh is standing on the roof of the school 12 meters directly above James who kicks a soccer ball straight up with an initial velocity of 15 m/s. If Josh catches the ball on the way up, how long will the ball take to reach him? If he misses it on the way up and catches it on ...

**Physics**

Veronica hits a volleyball from a height of 0.4 m and gives it an initial velocity of 5.2 m/s straight up. a) How high, above the ground, will the volleyball go b) How long will it take the ball to reach its maximum height?

**Math HELP!**

Use benchmarks to estimate the sum, difference, or product. 1.) 1 7/8 + 1/9 0 1 2 2 1/2 2.) 8 8/9 - 5 1/11 4 5 14 11 3.) 7 2/3 x 3 7/9 2 3/27 11 4/9 28 26/27 21 14/27 4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string ...

**history**

How did feudal monarchs in the High Middle Ages centralize power? need explanation

**American Governement**

Which of a function of state governments that is not a function of the federal government? A)creation of a public school system B)collection of taxes**my answer C)regulation of interstate commerce D)punishment for crimes

**college algebra**

Your office window is a = 35 feet high. Looking out your window, you find that the top of a statue lines up exactly with the bottom of a building that is b = 650 horizontal feet from your office. You know the statue is c = 175 feet from the building. How tall is the statue?

**American Government**

19. One of the main reasons the Founding Fathers created federalism was because they believed that *A- dividing power among the states and the national government would prevent any governmental entity from abusing its authority. *B- local governments, if left unchecked by the ...

**Science**

Which of the following would have the greatest force? An object with low mass accelerating slowly An object with low mass accelerating quickly** An object with high mass accelerating quickly An object with high mass accelerating slowly Is is B?

**math**

he last time Nkechi was at school was on Saturday. She was first absent for four days before that. Today is Tuesday, 27th of September. When was Nkechi first absent? Give the day and date.

**math**

Alan wants to bake blueberry muffins and bran muffins for the school bake sale. For a tray of blueberry muffins, Alan uses mc017-1.jpg cup of oil and 2 eggs. For a tray of bran muffins, Alan uses mc017-2.jpg cup of oil and 1 egg. Alan has 4 cups of oil and 12 eggs on hand. He ...

**English, Language Arts**

Please check my answers 1. In the play Crossroads: A Sad Vaudeville, the use of stage directions better helps the reader to observe the movements of a character. envision inside the mind of a character. understand how a character responds to a certain situation. all of the ...

**physics**

A stunt car driver drives off an h = 7.9 m-high cliff into a lake with a horizontal speed of 17 m/s. The car needs to clear an 17.1 m-long ledge that is 5.0 m below the edge of the cliff, as shown in the figure below. The car just misses the ledge on the way down. With what ...

**MATH**

The role of GABA or gamma-aminobutyric acid is involved in down-regulating the activity of neurons in the human brain and is linked to mental health disorders as: anxiety, depression, autism, schizophrenia, bipolarity, and epilepsy among many others. You sample 50 males ...

**Stats**

On Tuesday September 27, 2016 the high temperature increased to 36.7 degrees Celsius (98 degrees Fahrenheit). What is the probability that we observe a temperature of 36.7 degrees Celsius or higher given that the average temperature is 27 degrees Celsius with a standard ...

**Math**

The average daily high temperature for the month of September in Los Angeles is 27 degrees Celsius (81 degrees Fahrenheit) with a standard deviation of 2.78 degrees Celsius. How hot are the hottest 10.03% days during September in Los Angeles? Provide your answer to two decimal...

**Loan**

In a loan database, there are 60 loans to clients with 18 years of business experience. Also, there are 23 loans made to clients with a High School education. In the database there are 68 loans to clients with 18 years of experience or who have a High School education. How ...

**English**

Need these answered soon please! 10. The author of “My Brother’s Keeper” emphasizes Jamie’s conflict by describing the car accident in detail.*** detailing Jamie’s physical appearance and good grades. flashing back to earlier events with his brother Ted. ...

**Math**

Tuku spent 1/3 of his mpney on school uniforms, 1/4 on books, 2/3 og the remainder on food and saved the rest. What total fraction of his money did he save and spend on books?

**English**

SOMEONE PLEASE CHECK MY ANSWERS!!!!!!!!!(YOU DON'T HAVE TO TELL ME WHAT THE RIGHT ANSWER IS JUST IF ITS WRONG OR NOT)THEY ARE MARKED WITH ** 1. In the play Crossroads: A Sad Vaudeville, the use of stage directions better helps the reader to observe the movements of a character...

**chemistry**

Molten Al2O3 is reduced by electrolysis at low potentials and high currents. If 1.5 x 10^4 amperes of current is passed through molten Al2O3 for 8.0 hours, what mass of Al is produced? Assume 100% current efficiency? Mdep = ([1.5 x 10^ x 28800s ]/ 96500) x (26.98/6e) = 20130g ...

**Statistics**

It is not surprising that babies with low birth weights are at risk for developmental difficulties, but extraoridinarily large babies also face a higher than noraml risk of medical problems. In the United States the average full term single birth baby has a weight of 3.4 kg ...

**Math**

The table shows which school subjects are favored by a group of students predict the number of students out of 400 that would pick science as their favorite subject.

**Physics**

a) Calculate the acceleration due to gravity on the planet Mars. I found this to be about 3.7 m/sec^2 b) What would your weight be on the planet Mars if you weighed 130 lbs? c) If you could jump vertically 5 ft on earth, how high would you be able to jump on mars? I'm just ...

**Math**

A school has a new flag that must be flown at least 52 feet high. The current flagpole is 14.5m tall How many meters taller does the new flagpole need to be? Round to the nearest tenth (one meter is about 328 feet)

**south high**

a rate of markup of 50% based on selling price is the same as a rate of markup of 100% based on cost. True or False

**Math**

A school has a new flag that must be flown at last 52 feet high The current flagpole is 14 m tall How many meters taller does the new flagpole need to be? Round to the nearest tenth (One meter is about 3 28 feet)

**Math**

A school has a new flag that must be flown at last 52 feet high The current flagpole is 14 m tall How many meters taller does the new flagpole need to be? Round to the nearest tenth (One meter is about 3.28 feet)

**Merman High School**

1. A 70-kg box is slid along the floor by a 400-N. The coefficient of friction between the box and the floor is 0.50 when the box is sliding. Find the acceleration of the box.

**physics**

A 65.2 kg person jumps from rest off a 3.11 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.08 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This ...

**maths**

from the top of a building 10metres high the angle of depression of a stone lying on the horizontal ground is 69degrees.calculate the distance of the stone from the foot of the building in metres to 1 decimal place

**Spanish**

In Columbia, _______. A. Children are not required to go to school B. Children are required to go to school until they are about 9 C. Children are required to go to school until they are about 14** D. Children are required to go to school until they are about 18 My answer, **

**Math**

There is an 8 foot long ramp. If the platform holding up the end of the ramp is 1 foot high, how do you calculate the distance from the base of the platform to the end of the ramp? Is there an equation I'm missing here or something?

**Physics**

An object is shot upwards, from the ground, with an initial velocity of 120 m/s. How high will it be after 4.0s?

**Engineering/Physics**

When gasoline is burned in the cylinder of an engine, it creates a high pressure that pushes on the piston. If the pressure is 150 pound-force per square inch, and it moves the 3-inch diameter piston a distance of 6 centimeters in 0.1 seconds...

**calculus**

12. (1 point) The height y (in feet) of a ball thrown by a child is y = − 1 16 x 2 +4x+5 where x is the horizontal distance in feet from the point at which the ball is thrown. (a) How high is the ball when it leaves the child’s hand? (b) What is the maximum height of ...

**indiana Connections acadamy**

i know that this isnt really a homework question but i do know alot of people from connexus are on here. If i want to unenroll from Indiana conenctions acadamy, can i unenroll in the next 9 weeks or do i have to wait until next semester. My parents wont help me find out ...

**SS**

Which of the following responsibilities are held by the federal government? Choose all that apply. (2 points) protecting national parks administering healthcare providing Social Security managing intercity traffic creating garbage collection services chartering city ...

**math**

A step ladder 2.2m high was opened making an angle of 30° Calculate distance between legs of ladder

**Math**

A round silo is 40 feet tall and has a 25 foot radius. How high would a load of 37000 cubic feet of grain fill the silo? Express your answer rounded to the nearest foot.

**AP Physics**

A 2 stage rocket launches off at an initial angle of 75 degrees above the horizontal. The rocket has a mass of 250 kg, while the stage 1 has a mass of 125 kg, and the stage 2 booster has a mass of 50 kg. At ignition the stage 1 booster gives the rocket a thrust of 34,652 N for...

**Physics**

A 2 stage rocket launches off at an initial angle of 75 degrees above the horizontal. The rocket has a mass of 250 kg, while the stage 1 has a mass of 125 kg, and the stage 2 booster has a mass of 50 kg. At ignition the stage 1 booster gives the rocket a thrust of 34,652 N for...

**Physics**

Divers in Acapalco dive from a cliff that is 60 m high. If the rocks below the cliff extend outward for 26 m, what is the minimum horizontal velocity a diver must have to clear the rocks?

**spanish**

Many job options for high school graduates in Honduras are in what field? A. agriculture B. english C. engineering* D. technology

**biology (check answers)**

1. How do endothermic and exothermic reactions differ? a. Endothermic reactions release energy and are spontaneous. b. Exothermic reactions release energy and are spontaneous. c. Endothermic reactions give off heat and light. d. Photosynthesis is exothermic. MY CHOICE: B 2. ...

**world history**

1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for Egypt? It provided ...

**Physics(check my answer please!!)**

Hello, could you guys let me know if this looks right? Thanks in advance. A ball is fired at a speed of 8 m/s at 20 degrees above the horizontal from the top of a 5m high wall. a) what is the total velocity at the maximum height? b) how far from the launcher will the ball hit ...

**biology (check answers)**

1. How do endothermic and exothermic reactions differ? a. Endothermic reactions release energy and are spontaneous. b. Exothermic reactions release energy and are spontaneous. c. Endothermic reactions give off heat and light. d. Photosynthesis is exothermic. MY CHOICE: B 2. ...

**Techno missioninternational school**

Divide ₹3000 in two parts such that the simple interest on first part for 4 years at 8% p.a. is equal to the simple interest on the second part for 2 years at 9% per annum.

**Physics**

A long, heavy rope hangs straight down from a high balcony on an apartment building. The lower end of the rope hangs about 1.0 m above the ground. If you grab onto the lower end and waggle it back and forth with constant frequency f, a wave travels up the rope. What would ...

**physics**

A high-speed drill rotating ccw at 2300 rpm comes to a halt in 2.9 s .

**school**

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 11.0 m/s in 2.40 s. (a) What is the magnitude and direction of the bird’s acceleration? (b) Assuming that the acceleration remains the same, what is the bird’s ...

**Physics**

A skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 7.2 m/s . The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express your answer with the...

**stats**

2. The modern Olympic Games are a modified revival of the Greek Olympian Games that came to be largely through the efforts of the French sportsman and educator Baron Pierre de Coubertin. The Games are an international athletic competition that has been held at a different site...

**Math**

The temperature outside marys school is 17°c at midday by midnight the temperature has fallen by 33 °c what is the temperature at midnight

**English**

Please check my answers, they are marked with** 1. In the play Crossroads: A Sad Vaudeville, the use of stage directions better helps the reader to observe the movements of a character. envision inside the mind of a character. understand how a character responds to a certain ...

**madison high**

In ΔKLM, m∠K = (6x−1)∘, m∠L = (7x+13)∘, and m∠M = (x+0)∘. Find m∠L.

**math**

Kyle and Andrew decide to make some money by raking leaves in their neighborhood. The houses in their neighborhood each have half acre lawns. Kyle and Andrew each start by raking the leaves from their own yards. Kyle realizes it takes him 3 hours to rake one yard and Andrew ...

**Physics- displacement, velocity, etc.**

25. Maria is standing at the edge of a cliff that is 10 m high over a canyon. She throws a rock upward off the side of the cliff. Right before the rock reaches the canyon floor, it has a speed of 25 m/s. a) What was the rock’s total displacement? 10 meters b) What was the ...

**Science**

Compounds with high melting points have ___ a. Covalent bonds b. Metallic Bonds c. Ionic bonds*** d. No chemical bonds How could you determine if a sample of gold is pure? Compare the sample's density with that of pure gold.*** Compare the sample's color with that of pure gold...

**Social Studies**

When Adams became President, the war between the French and British was causing great difficulties for the United States on the high seas and intense partisanship [taking of sides] among contending factions within the Nation. His administration focused on France, where the ...

**English**

1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition. (1 point) surprised unemotional*** unsure vibrant 2. Choose the answer that best matches the word in italics. As ...

**ED TECH Ms Sue Check Answer**

What is the rhyme scheme of the following poem? He sat upon his brand new bike waiting for his best friend mike He couldn't wait to ride to school others would say his bike is cool. 1. a a b b 2. a b a b 3. a b c d 4. a a b a I think its 1 aabb am I correct?

**carson high school**

solve by elimination 5r-3s=19 2r-6s=-2

**physics**

A baseball player standing on the ground throws a ball straight up. The ball leaves the player's hand with a speed of 6.22 m/s and is in the air for 2.70 s before hitting the ground. How high above the ground was the baseball player's hand when he released the ball?

**English**

PLEASE LET ME KNOW IF THESE ARE ALL RIGHT! 1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition. (1 point) surprised*** unemotional unsure vibrant 2. Choose the answer...

**Auburn Hugh School**

The hypotenuse (side C) of a triangle is 13 inches long. Which of the following pairs of measurements could be correct for the lengths of the two sides of the triangle? (Note:A^2 + B^2 = C^2)

**Physics**

Explain why, when a polythene rod which has been rubbed with any cloth is held high above small pieces of paper on a table, the pieces of paper jump up and down repeatedly between the table and rod.

**Chemistry**

How high can a person (assume a weight of 70 kg) climb on one ounce of chocolate if the heat of combustion (628 kJ) can be converted completely into work associated with vertical displacement?

**maths**

Calculate the velocity of a stone7 seconds after falling from rest of the edge of a high cliff

**English**

1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition. (1 point) surprised*** unemotional unsure vibrant 2. Choose the answer that best matches the word in italics. As...

**Math**

The diameter of my trundle wheel is 50cm. I use it to measure the length of the school park. It rotates 87 times. What is the length of the car park, to the nearest metre?

**Language arts**

Please check my answers. Thank You! Use the text passage to answer the question. Whatever you post online—whether a silly picture, angry comment, or sharing about a chronic illness—is there forever. Delete it all you want, but colleges and employers can and will find it. ...

**Math**

A football is kicked into the air. Its height in meters after t seconds is given by h(t)=-4.9 (t-2.4)^2+29. A. What was the height of the football when it was kicked? B. What is the maximum height of the kick? C. How long did it take for the football to reach its maximum? D. ...

**Math**

Miguel walks 3/4 mile around the high school track in 1/2 hour.how far can he walk in 2 hours?

**Physics**

You are trying to climb a castle wall so, from the ground, you throw a hook with a rope attached to it at 25.6 m/s at an angle of 56.0° above the horizontal. If it hits the top of the wall at a speed of 15.3 m/s, how high is the wall?

**Math**

The school band is compromised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1;8. However, this year the ratio of the number...

**Ed Tech**

What is the rhyme scheme of the following poem? He sat upon his brand new bike Waiting for his best friend Mike. He couldn't wait to ride to school. Others would say his bike is cool. A. a a b b ** B. a b a b C. a b c d D. a a b a A?

**World history**

1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for Egypt? It provided ...

**Physics**

A ball thrown horizontally from the top of a 13m high building strikes the ground 5m from the base of the building. 1) With what velocity was the ball thrown?

**Math**

Every few days a student at a school will receive a souvenir such as a pencil or shirt. Every 24th day a student receives a souvenier. Every 56th day a student receives a souveiner and every 64th day a student receives a souvenier. Which student will be the first to have all ...

**math**

150 students took part in a quiz. There are twice as many girls as boys in the school: (a) How many girls were there? (b) How many were boys?

**physics**

a 15kg rock falls from the top of a building 8.0m high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

**Math**

Each homeroom of a middle school receives 1/12- acre plot of 5/6 acre of land. How many classrooms receive a plot of land. 5/6 divided by 4840 is this correct

**physics**

a ball is thrown upward from a bridge with a speed of 48 ft/s. It misses the bridge on way down and lands in water 160 ft. below. Find how long the ball rises, how high it goes, how long it is in the air, and its velocity when it strikes the water.

**physics**

a 15kg rock falls from the top of a building 8.0m high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

**Physics**

You are trying to climb a castle wall so, from the ground, you throw a hook with a rope attached to it at 22.3 m/s at an angle of 55.0° above the horizontal. If it hits the top of the wall at a speed of 15.4 m/s, how high is the wall?

**physics**

a 15kg rock falls from the top of a building 8.0 high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

**programing logic and design**

I got high last night and feel terrible if someone could answer this question I would love them forever The Parasol Insurance Group sells a variety of insurance policy types. Design a flowchart for a program that accepts a client’s name and “Y’ or “N’ string answers ...

**Maths**

Find the sum of the area of the ceiling and the floor of a room of 5m long, 4m wide and 2.5 high.

**Algebra**

Two investments in high- technology companies total $1,100. If one investment earns 10% annual interest and the other earns 10%, find the amount of each investment of the total interest earned is $140 for the year. The value of the investment which earns 10% annual interest is...

**Physics**

A science student is riding on a flatcar of a train along a strait, horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path he judges to make an initial angle 65. deg with the horizontal and to be in line with the track. The ...

**Physics**

A batted baseball leaves the bat with a velocity of 41.4 m/s at an angle of 51.2°. If the ball just barely clears the 3.05 m (10 ft) center field wall, a. How long was the ball in the air? ___s b. What must the range be from home plate to the center field wall? ___m c. How ...