# Homework Help: High School

**Physics**

A pellet (20g) is launched horizontally off a cliff (20m high) from a spring-loaded gun. The spring has constant k= 1800 N/m and is compressed 0.10m before launch. How much energy is stored in the spring before launch? If all that energy is transferred to the pellet, how fast ...

*Tuesday, February 23, 2016 by Danielle*

**Geometry**

An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from his line of sight. How high is the hawk flying over the tree? tan 35= h/660 0.70020753821= h/660 0.70020753821 * 660= h 462.1369752186= h h= 462.14 ...

*Tuesday, February 23, 2016 by Jessie*

**Sign Language**

Hi I would like for my answers to be checked for these two questions (Note: I'm not sure if the 2nd one is correct): 1. Several school-related words are based on which sign? a. book b. learn c. school d. study My Answer: book 2. How do you change a statement in American Sign ...

*Tuesday, February 23, 2016 by Jazmine*

**Math**

A friend brought 2 boxes of pencils and 8 notebooks to school and it cost $11. He went back and spent $11.25 on 3 boxes of pencils and 5 notebooks. How much would 7 notebooks cost?

*Tuesday, February 23, 2016 by Anonymous*

**Math**

I am trying to help my grandson with his math homework. When I went to school we never learned this and I am at a loss. The question is: Create an equivalent expression at includes at least one parenthesis so that the value of the expression is 144. The expression is 4+5x17-3 ...

*Tuesday, February 23, 2016 by Patricia*

**algebra**

The Jackson High School gymnastics team sells calendars for their annual fundraiser. The function rule below describes the amount of money the team can raise, where y is the total amount in dollars, and x is the number of calendars sold. y x = + 3 28 Use the function rule to ...

*Tuesday, February 23, 2016 by crissy*

**Economics**

Why is the equilibrium wage higher for doctors than for convenience store clerks? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A. The demand for convenience store clerks is equal to the demand for doctors. B. Supply of doctors is relatively low, and the demand is relatively high...

*Tuesday, February 23, 2016 by Hazel*

**Algebra**

Amy throws a softball in the air with an initial velocity of 50 feet per second. She throws the softball from a height of 6 feet. The height of the softball, h, is modeled by the function h (t) = -16t^2 + 50t + 6, where t is the time in seconds. How high is the softball after ...

*Tuesday, February 23, 2016 by Bridge*

**maths lit,business,visual arts,life sciences**

Hey so I take maths lit, business studies, visual arts and life sciences. What courses are avaliable for me to study after high school?

*Tuesday, February 23, 2016 by Fairy*

**Health Truth or False PLEASE CHECK ANSWERS**

$$ = MY ANSWER Just as a person inherits physical traits, a person inherits personality traits as well. True $$ False 2. Peers cannot have a direct impact on your personality. True $$ False 3. Your behavior and personality sometimes come directly from role models. (1 point) ...

*Tuesday, February 23, 2016 by NOPE*

**Language Arts**

In which sentence is the word TRANSLATES used correctly? A. Until Monica translates this message, we won’t be able to understand it.** B. Do you want to go alone when Ron translates across the Atlantic? C. The desk was piled so high with translates, Rebecca couldn’t find ...

*Monday, February 22, 2016 by Laci*

**Bio**

The high temperatures in the desert environment can kill Beetles Large Beedles cannot burrow into the sand to escape the heat. Therefore, fewer of the large Beetles will survive. The Beetles are affected by a deadly disease that spreads rapidly through the desert. Green ...

*Monday, February 22, 2016 by Anonymous*

**Chem**

Interpretation of the data plots consistently show that the freezing points of three solutions are too high. As a result of this "misreading of the data," will the reported molar mass of the solute be too high, too low, or unaffected? Explain please.

*Monday, February 22, 2016 by Diana*

**geography**

1) Which phrase best defines diversity? a) a region containing many cities b) special cultural practices unique to one group c) conflict over varying ideas and traditions d) a whole made up of many different parts*** 2) Which of these holidays would the most Turkish people be ...

*Monday, February 22, 2016 by Pls help me Ms. Sue*

**math**

rachel is flying a kite.she lets out 70 yard string. The kite angle of elevation from the ground is 68 degree. How high is the kite?

*Monday, February 22, 2016 by shania*

**Language Arts**

1.Which Idea Is Conveyed In Both "Dust Of Snow" and Who Knows If The Moon's A.Nature can be playful (MY ANSWER) B.Nature can be harsh C.Nature can be annoying D.Nature can be mysterious 2.To Which Sense Do Both "Who Knows If The Moon's" and "Dust Of Snow Appeal Most Strongly A...

*Monday, February 22, 2016 by LOVE*

**COLLEGE HELP LEASE PLEASE !!!!!!!**

Is graduate tuition is tuition for graduate school? I want to become a nurse. Graduate tuition Nursing $828.00 per credit But here the tuition is $17,166 The annual total list price cost to go to Mercy was $31,928 I'm sooo confused please help. Does it cost more than $31,928?

*Monday, February 22, 2016 by Sarah*

**Math**

1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The ...

*Monday, February 22, 2016 by Caroline*

**engineering science**

A solid cylinder rolls from rest down an incline 6m high without slipping. calculate the linear velocity at the foot of the plane

*Monday, February 22, 2016 by David*

**math**

The length of a shadow of a vertical flag mast 15.45 meters high is 22 meters.find the sun's altitude

*Monday, February 22, 2016 by akhil*

**geometry**

12 foot board is leaning against a wall and makes a 77 degree angle with ground. How high does the board reach on the wall? I used Sin 77x 12 and got 11.692 but questions is round this to the nearest tenth of a foot.... Is it 11.7 feet? Thank you.

*Sunday, February 21, 2016 by sweet pea*

**applied mechanics**

a body is projected upwards with a velocity of 50 m/s from the top of a tower 100 m high.How long will it take to reach the ground? What will be the velocity with the body strikes the ground?

*Sunday, February 21, 2016 by simba*

**sphy011**

A football game costumarily begins with a coin toss to determine who kicks off. The referee tosses the coin vertically upwards with an initial velocity of 5m/s and it takes 1.02s for it to be in the air. In the absence of air resistance 1.How high does the coin go above its ...

*Sunday, February 21, 2016 by Kate*

**physcis**

a girl throws a ball vertically upward with a speed of 20 ft/sec from the roof of a building 60 ft high.(a)how long will it take the ball to reach the ground? (b)what will its speed be when it strikes the ground?

*Sunday, February 21, 2016 by charles*

**physics**

A courier is delivering a 5kg package to an office high in a tall building. (a) What upwards force does the courier apply to the package when carrying it horizontally at a constant velocity of 2m/s into the building? (b) The courier uses the elevator to reach the office. While...

*Saturday, February 20, 2016 by tamara*

**Math**

Lincoln Middle school plans to collect more than 2,000 cans of food in a food drive.So far, 668 cans have been collected. Write an inequality to find numbers of cans the school can collect on each of the final 7 days of the drive to meet this goal. Identify what your variable...

*Saturday, February 20, 2016 by Anonymous*

**High school calculus**

Calculate y when dy/dx = 1/(bx+5)^3

*Saturday, February 20, 2016 by Crissy*

**math**

Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the probability he makes the next shot ...

*Friday, February 19, 2016 by chels*

**Math**

1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The ...

*Friday, February 19, 2016 by Can someone please help*

**Health**

What happens when anabolic steroids are used in high doses? A. Increases irritability and aggression B. Decreases irritability and aggression C. Increases feelings of complacency D. Decreases feelings of complacency

*Friday, February 19, 2016 by kelly*

**Math**

A science class planted a tree in the school courtyard that was 6 inches tall. It is growing 4 inches each week. Write a function rule for the height, h, of the tree based on the weeks, w, since it was planted. h = 6w + 4. h = 4w + 6. (MY ANSWER) h = 4w. h = 4w – 6.

*Friday, February 19, 2016 by LOVE*

**History**

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. 1. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2. Public...

*Friday, February 19, 2016 by #FreeGucci*

**Math**

You live 2 3/4 miles from school. In the morning, you walk 1/3 mile directly toward school to the bus stop. Later, when you get off the bus, you walk home the same distance. How many miles do you ride to and from school each day?

*Thursday, February 18, 2016 by Nick*

**Social Studies**

Which of the following most contributed to the rise of Sumer? A. Farming** B. Military Power C. Isolated location D. Trade You are a young woman in Saudi Arabia. Which of these should you not plan to do? A. Apply for a job outside the home** B. Take a test for a drivers ...

*Thursday, February 18, 2016 by Mariah*

**Math**

One-half of the students at Greendale Middle School take art. Two-thirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student taking art and “H” ...

*Thursday, February 18, 2016 by Ember*

**Driver Education (Check)**

How would you recognize the signs of a problem drinker, and what you do to help that person? A: You would recognize the signs of a problem drinker by looking for chances in a person’s behavior or life situation such as loss of initiative, frequent lateness or absence from ...

*Thursday, February 18, 2016 by Victoria*

**I'm really stuck on math!**

One-half of the students at Greendale Middle School take art. Two-thirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student taking art and “H” ...

*Thursday, February 18, 2016 by Ember*

**math**

An English teacher needs to pick 10 books to put on his reading list for the next school year, and he needs to plan the order in which they should be read. He has narrowed down his choices to 5 novels, 6 plays, 5 poetry books, and 6 nonfiction books. Step 1 of 2 : If he wants ...

*Thursday, February 18, 2016 by Comet*

**civics**

What was the purpose of the Little rock nine going to the high school?

*Thursday, February 18, 2016 by andrea*

**Health**

What reason do studies show why more people with high blood pressure and diabetes live In the suburbs than in the city? There are much better doctors in the city who treat those diseases more effectively. (Maybe) People re not as physically active and rely on cars more than ...

*Thursday, February 18, 2016 by LOVE*

**Physics**

A third baseman makes a throw to first base 39.7 m away. The ball leaves his hand with a speed of 37.0 m/s at a height of 1.5 m from the ground and making an angle of 19.5 o with the horizontal. How high will the ball be when it gets to first base?

*Thursday, February 18, 2016 by Edwin*

**northdale middle school**

a ski rental charges $27.00 for 3 hours and $45.00 for 5 hours. What is the equation?

*Thursday, February 18, 2016 by Dylan*

**Physics**

a helium balloon has a volume of 300 ft^3 and is floating at an altitude where the temperature is 265 K. How high does its temperature have to go for the ballon to expand to 450 ft^3?

*Thursday, February 18, 2016 by Oscar*

**MATH 4 GRADE**

Royce walks 3/4 mile to school and 3/4 mile home each day in how many days will he have walked 3 miles?

*Wednesday, February 17, 2016 by Anonymous*

**Physics**

Suppose a chinook salmon needs to jump a waterfall that is 1.32 m high. (a) If the fish starts from a distance 1.24 m from the base of the ledge over which the waterfall flows, find the x- and y-components of the initial velocity the salmon would need to just reach the ledge ...

*Wednesday, February 17, 2016 by Jay*

**Antidifferentiation**

1. A stone is tossed upward with a velocity of 8m/s from the edge of a cliff 63 m high. How long will it take the stone to hit the ground at the foot of the cliff? Using antidifferentiation method, I got dv=-9.8dt. The I integrated and got v+constant1=-9.8t+constant2. Then ...

*Wednesday, February 17, 2016 by Betty*

**Math**

Are my answers correct 1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, ...

*Wednesday, February 17, 2016 by anonymas*

**Math**

Fran wants to cover a retangular box with contact paper. The box is 10cm long, 5cm wide and 5cm high. How much paper will she need to cover all 6 sides?

*Wednesday, February 17, 2016 by Amy*

**Social Studies paper**

im doing a paper and i'm at the end argument and i don't know what i can add on, ideas??? Paper is the most important invention that came out of ancient China. Paper has change are life. But not just for one person many people, like artist for instant, they need paper to make ...

*Wednesday, February 17, 2016 by little dark one*

**MATH HELP**

Determine the annual dividend and the annual yield to the nearest hundredth of a percent. Joyce buys 350 shares of KOW, Inc, that has a high of 42.50 per share and a low of 23.60. Last year the company paid annual dividends of $0.58 per share. (a) What is the total annual ...

*Wednesday, February 17, 2016 by Beth*

**Trig**

a 12-ft-long guy wire is attached to a telephone pole 10.5 ft from the too of the pole. If the water forms a 52 degree angle with the ground, how high is the telephone pole?

*Wednesday, February 17, 2016 by Dave*

**algebra**

Two vertical poles 20m and 30m high are 60m apart.A rope is to be attached from the top of one pole to a point on the ground halfway between the poles and then to the top of the other pole.How long a rope is needed?

*Wednesday, February 17, 2016 by christopher*

**physics**

A bullet has a mass of 5g leave a gun at a velocity of 100m/s. What is the kinetic energy of the bullet as it leave the gun? If the gun is fired vertically upwards, how high will the bullet go? (Ignore air resistance and assume g=10m/s2).

*Wednesday, February 17, 2016 by Anonymous*

**physics**

a ball is launched from the top of a 23 m high cliff with a velocity of 33 m/s oriented 12 degrees above the horizonal. Determine the time it takes for the ball to hit the ground.

*Tuesday, February 16, 2016 by clyde*

**Social studies**

Assess the potential consequences for islands if global warming continues. Which of the following is the most serious for the pacific region? Drought. Deforestation of high islands. Entire loss of nations. (MY ANSWER) Desertification of nation.

*Tuesday, February 16, 2016 by LOVE*

**Social studies**

The Polynesian islands vary widely and can be divided into? Sea islands and land islands. Small islands and large islands. Wet islands and dry islands. High islands and low island. (MY ANSWER)

*Tuesday, February 16, 2016 by LOVE*

**Social studies**

How does the outback compare with the rest of Australia? It forms fertile coastal lands were most people live. It comprises outlying islands separate from the mainland. It makes up the sparsely inhabited interior, with dry plateaus and plains. (MY ANSWER) It is a high, ...

*Tuesday, February 16, 2016 by LOVE*

**science**

a place kicker kicks a football with a velocity of 20.0 minutes per hour and at an angle at 53 degrees a.how long is the ball in the air b.how far away does it land c.how high does it travel

*Tuesday, February 16, 2016 by jared queliza*

**Social Studies (Check, Please!)**

1. Explain how the Gulf of Tonkin Resolution affected the powers of Congress and the presidency. A: The Gulf of Tonkin Resolution authorized the president to "take all necessary measures to repel any armed attack against forces of the United States and to prevent further ...

*Monday, February 15, 2016 by Victoria*

**physics**

Mayan kings and many school sports teams are named for the puma, cougar, or mountain lion Felis concolor, the best jumper among animals. It can jump to a height of 12.2 ft when leaving the ground at an angle of 44.2°. With what speed, in SI units, does it leave the ground to ...

*Monday, February 15, 2016 by bobby*

**Math: Angles of Elevation and Depression**

the angle of elevation to the top of a flagpole is 40° from a point 30m away from The base of the pole.How high is the flagpole to the nearest meter?

*Monday, February 15, 2016 by Anonymous*

**Spanish**

Is an xbox 360 a toy? my school members are doing a spanish commercial...

*Monday, February 15, 2016 by Boberto*

**Physical science**

How much more does someone with a bachlors degree usually earn than someone with a high school deploma?

*Monday, February 15, 2016 by Lina*

**Math and are my answers correct**

1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The ...

*Monday, February 15, 2016 by kayla*

**math**

1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The ...

*Monday, February 15, 2016 by anonymas*

**Maths**

The probability that I have to wait at the traffic lights on my way to school is 0.45. Find the probability that on 3 consecutive mornings I have to wait: A) Once B) Twice

*Sunday, February 14, 2016 by Cj*

**Finance**

Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for $110,000 and sell its old low-pressure glueball, which is fully depreciated, for $20,000. The new equipment has a 10-year useful life and will save $24,000 a year in ...

*Sunday, February 14, 2016 by Ted*

**Physics**

Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 845-kg electric car be able to supply to do the following? (a) accelerate from rest to 25.0 m/s in 1.00 min (b) climb a 200-m high hill in 2.00 min at a ...

*Sunday, February 14, 2016 by Laura*

**Geometry**

A plane takes off at an angle of 24 degrees with the ground. How high in feet is the plane after its flight path is 3 miles long

*Saturday, February 13, 2016 by Anonymous*

**DEAR REINY**

dear reiny i am sim who posted 4 questions this morning i am in dubai and my final examinations are after 13 days and by the way those questions were not my homework or assignment those were some sums which we get on our school website and i had a doubt in those questions but ...

*Saturday, February 13, 2016 by sim*

**English**

Why my school should be awarded the best

*Saturday, February 13, 2016 by Article*

**Physics**

A pole vaulter has 3500J of energy when he crosses a bar 7 metres high. How much kinetic energy will he have before he reaches the ground?

*Saturday, February 13, 2016 by Kyawt*

**physics**

who develops more power,an 80kg man who walks up a height of 20 steps each 17.5cm high in 7second or one who pushes an 80kg box up a frictionless slope to a height of 5m in 10seconds? Give a reason for your answer

*Saturday, February 13, 2016 by mukuba*

**science**

2. A salamander is a keystone species in a forest ecosystem with high biodiversity. This species migrates from woodland areas to a local stream to reproduce. If a road is built that cuts off the woodland areas from the stream, what effect will this have on the forest ecosystem...

*Friday, February 12, 2016 by little dark one*

**science**

Just checking my answers.. 1. Which is not a characteristic of the Group 1 alkali metals? A. high densities B. low melting points*** C. found in batteries D. silvery solid 2. Which of the following is true of the Group 2 alkali earth metals? A. They are less dense than the ...

*Friday, February 12, 2016 by Anon.*

**Health**

1. According to the National Clearing House for Alcohol and Drug Information (NCADI), most children under the age of _____ , who do not participate in drug and alcohol abuse, is virtually certain to never do so. (1 point) 20 21 23 19 2. The average age when youth first try ...

*Friday, February 12, 2016 by untington*

**algebra question**

Please help me on this!!! so confused The table below shows data from a survey about the amount of time high school students spent reading and the amount of time spent watching videos each week (without reading): reading video 5 1 5 4 7 7 7 10 7 12 12 15 12 15 12 18 14 21 15 ...

*Thursday, February 11, 2016 by shawn*

**PHY-102**

A construction worker on a high-rise building is on a platform suspended between two cables as illustrated below. The construction worker weighs 850 N, the plank weighs 450 N, and the tension in the left cable is 550 N. a. What is the tension (in N) in the right cable? b. ...

*Thursday, February 11, 2016 by Peggy*

**school**

A ball thrown vertically upward reaches a certain height and comes down again. What can you say about its kinetic energy at the maximum height?

*Thursday, February 11, 2016 by pedrogalvan*

**Science**

Which Idea Is Conveyed In Both "Dust Of Snow" and Who Knows If The Moon's A.Nature can be playful B.Nature can be harsh C.Nature can be annoying D.Nature can be mysterious To Which Sense Do Both "Who Knows If The Moon's" and "Dust Of Snow Appeal Most Strongly A.Hearing B.Sight...

*Thursday, February 11, 2016 by Sid.V*

**biology**

Picture true of false The atom shown in the diagram has 4 energy levels or shells. 2. The atom shown in the diagram above has a total of 5 electron orbitals. 3. Each energy level consists of 2 or more orbitals. 4. The second energy level consists of 4 electron orbitals. 5. ...

*Thursday, February 11, 2016 by Anonymous*

**Math**

A rock is thrown upward with a velocity of 24 meters per second from the top of a 50 meter high cliff and it misses the cliff on the way back down. When will the rock be 7 meters from the water below

*Thursday, February 11, 2016 by Brent*

**Statistic**

The mean SAT score for 13 male high school students is 500 and the standard deviation is 100. The mean SAT score for 16 female high school students is 490 and the standard deviation is 80. At o=.05 sigma sign are male SAT scores more varied than female? (Sigma=.05)

*Wednesday, February 10, 2016 by Dhelp*

**Biology**

How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...

*Wednesday, February 10, 2016 by Kylie*

**Math**

The length of one side of the school building is 100 feet. if you use a scale factor of 1:250, what is the length of your scale drawing? Please help me and explain how you get your answer!

*Wednesday, February 10, 2016 by Helen*

**Math**

At East Middle School, 28% of the students are in the band. If 168 students are in the band, how many students go to East Middle School?

*Wednesday, February 10, 2016 by Amy*

**Science**

How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...

*Wednesday, February 10, 2016 by Kylie*

**Statistics**

2.5 Points 30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a ...

*Wednesday, February 10, 2016 by Amy*

**school grades**

Is a 95% an A- or an A on an average grading scale just wondering cuzz im geting 95% and want to know

*Wednesday, February 10, 2016 by the girl that has no friends*

**Physics Grade 10**

The speed limit near a school is 30km/h but Joe Cool thinks he can ignore it. He is driving at 60km/h. To make matters worse, he is talking on his cell phone. Suddenly a child rides his bicycle out of school grounds and across the road on the pedestrian crossing. The maximum ...

*Wednesday, February 10, 2016 by Sarah*

**math**

Your school is organizing a carnival. You are building a ramp for a game. The ramp will be 8 feet long with a total rise of 5 feet. Find the angle of elevation of the ramp.

*Wednesday, February 10, 2016 by Juan*

**Biology /science**

How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...

*Wednesday, February 10, 2016 by Kylie*

**Social Studies (Check)**

1. What was the effect of the French defeat at Dien Bien Phu? A: The defeat at Dien Bien Phu convinced the French to make peace and withdraw from Indochina. 2. What tatics did the United States adopt to fight the Vietcong? A: To fight the Vietcong, American troops went on “...

*Wednesday, February 10, 2016 by Victoria*

**Personal learning plan (english?)**

What are some visual, auditory, reading/writing and kinaesthetic learning activities done in high schools?

*Wednesday, February 10, 2016 by Sarah*

**Science**

1. A roach moves down the hall at 1.2 m/s. When he sees the janitor coming down the hall, he begins to run. After 3.2 s, he is moving at 3.6 m/s. What is his acceleration? 2. While waiting for his Mom to come out of the hairdresser's, Sean accidentally puts the car in gear and...

*Wednesday, February 10, 2016 by Anonymous*

**Biology**

How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...

*Tuesday, February 9, 2016 by Kylie*

**science**

A ball rolls off the edge of a tabletop and then lands on the floor 80 cm away from the base of the table. if the table is 1.20 high what is the initial velocity?

*Tuesday, February 9, 2016 by Anonymous*

**Physics Help!!!**

A tennis ball is served 2.00 degrees above the horizontal at a height of 2.40 meters, 12.0 meters from a net that is 0.900 meters high. (a) If the tennis ball is to clear the net by at least 0.200 meters, what is its minimum initial velocity? (b) If the tennis ball clears the ...

*Tuesday, February 9, 2016 by tom*

**physics**

A tennis ball is served 2.00 degrees above the horizontal at a height of 2.40 meters, 12.0 meters from a net that is 0.900 meters high. (a) If the tennis ball is to clear the net by at least 0.200 meters, what is its minimum initial velocity? (b) If the tennis ball clears the ...

*Tuesday, February 9, 2016 by tom*

**physics**

A tennis ball is served 2.00 degrees above the horizontal at a height of 2.40 meters, 12.0 meters from a net that is 0.900 meters high. (a) If the tennis ball is to clear the net by at least 0.200 meters, what is its minimum initial velocity? (b) If the tennis ball clears the ...

*Tuesday, February 9, 2016 by Kristina*