Sunday

October 4, 2015
Number of results: 67,953

**PHYSICS**

A quarterback throws the football to a stationary receiver who is 19.7 m down the ﬁeld. The football is thrown at an initial angle of 43◦ to the ground. The acceleration of gravity is 9.81 m/s^2. a) At what initial speed must the quarterback throw the ball for it...
*October 28, 2012 by JASPER*

**math**

A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a second, when is the ball 6m above the ground? Explain why there are two answers. I don't get how to calculate it. Please help. whats the question when ...
*January 18, 2007 by Shay*

**physics**

A 74-kg fisherman in a 124-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.4 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...
*October 12, 2012 by Kayla*

**Physics**

A pellet gun is fired straight downward from the edge of a cliff that is 15m above the ground. The pellet strikes the ground with a speed of 27 m/s. How long does it take for the pellet to reach the ground with an initial velocity of 5.9 m/s.
*March 9, 2013 by Borus*

**Physics**

A mass of 0.77 kg, hanging from a spring with a spring constant of 37 N/m, is set into an up-and-down simple harmonic motion. What is the speed of the mass when moving through the equilibrium point? The starting displacement from equilibrium is 0.2 m. [Answer in meters/second]
*July 4, 2012 by Vanessa*

**physics **

A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s
*January 19, 2014 by NADIA*

**chemistry**

Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of two particles per second. How many years would it take to count 6.0 x 10^23 particles? Assume that there are 365 days in a year.
*November 16, 2010 by Anonymous*

**chemistry**

Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of two particles per second. How many years would it take to count 6.0 x 10^23 particles? Assume that there are 365 days in a year.
*November 16, 2010 by Anonymous*

**chemistry**

Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of four particles per second. How many years would it take to count 8.10 x 10^23 particles? Assume that there are 365 days in a year.
*February 10, 2014 by Kory*

**chemistry**

Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of four particles per second. How many years would it take to count 8.10 x 10^23 particles? Assume that there are 365 days in a year.
*February 10, 2014 by Kory*

**Writing**

SAT essay practice. The Chinese proverb, "In crisis is cleverness born" means that through crisis creativity is born. This does not apply to most of the world situations. How can crisis bring out creativity? Crisis is associated with chaos and confusion. It is impossible to ...
*July 1, 2013 by Anonymous*

**physics**

a marble dropped from rest falls freely until it hits the ground with a speed of 35 meters per second. the time during which the marble is in free fall is approximately
*October 16, 2012 by delilah*

**physics**

A person takes in a breath of 27C air and holds it until it warms to 36.5C. The air has an initial volume of 0.39 L and a mass of 0.00077 kg. Determine the work done by the air on the lungs if the pressure remains constant at 1 atm. Answer in units of J
*February 19, 2013 by scott*

**Physics**

A ball is thrown vertically upward with a speed of 1.53 m/s from a point 4.21 m above the ground. Calculate the time in which the ball will reach the ground. {Distance Above Ground} = D = (4.21) + (1.53)*t + (1/2)*(-9.8)*t^2 {D = 0} ----> {Time To Reach Ground} = 1.096 sec ...
*May 25, 2009 by Jamie*

**Math please help!**

Nuclear medicine technologists use the Iodine isotope I-131, with a half-life of 8 days,to check thyroid function of patients. After ingesting a tablet containing the iodine, the isotopes collect in a patient's thyroid, and a special camera is used to view its function. ...
*April 10, 2011 by Alexia*

**physics**

A bicyclist moving at a constant speed takes 10.0 seconds to travel 500 meters down a path inclined 30.0° downward from the horizontal. What is the vertical velocity of this motion?Select one of the options below as your answer: A. 18.3 meters/second B. 43.3 meters/second C. ...
*May 25, 2012 by Anonymous*

**Physics**

Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle. .63m in front of the rear wheels and 2.3m behind the front wheels. The mass of the truck and its contents is 9155 kg. Find the magnitudes of the forces ...
*November 25, 2010 by shai*

**physics**

Suppose a person is going to be exposed to a steady tone of frequency 8000 Hz all night (perhaps arising from noisy electronics in a nearby room. ) If this person wants their perceived room loudness level to be a very quiet 10 phon (in order to sleep easily), what is the ...
*March 10, 2011 by dreadantlers*

**physics**

An astronaut in her space suit has a total mass of m1 = 69.7 kg, including suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she's on a spacewalk. Initially at rest with respect to her spacecraft, she throws her oxygen tank of mass m2 = 12.0-kg...
*October 25, 2011 by Anonymous*

**Physics 1**

An astronaut in her space suit has a total mass of m1 = 76.9 kg, including suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she's on a spacewalk. Initially at rest with respect to her spacecraft, she throws her oxygen tank of mass m2 = 12.0-kg...
*March 14, 2013 by Emily*

**Physics!**

A quarterback takes the ball from the line of scrimmage, runs backward for 10 yards, and then runs sideways parallel to the line of scrimmage for 4 yards. At this point, he throws a 32 yard forward pass straight down the field. What is the magnitude of the football's resultant...
*September 27, 2011 by Allison*

**conditional probability**

Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 60% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from ...
*July 17, 2012 by Tifini*

**English expression**

In Western culture, a man is introduced to a woman and a young person is introduced to an elderly person. (Is this expressions grammatical?) e.g. Mina, this is Mike. Mike, this is Mina. In this words, who is being introduced to whom? Is Mina being introduced to Mike? Or Is ...
*March 6, 2008 by John*

**math**

In the year 2003, the population of a certain district was 1.8 million. Thirty percent of the population was in the age group 15-40 years. In the same year, 120,000 people in the district the Voluntary Counseling and Testing (VCT) contra for an HIV test. If a person was ...
*March 15, 2015 by kudu*

**math**

In the year 2003, the population of a certain district was 1.8 million. Thirty percent of the population was in the age group 15-40 years. In the same year, 120,000 people in the district the Voluntary Counseling and Testing (VCT) contra for an HIV test. If a person was ...
*March 16, 2015 by kudu*

**physics grade 12**

we have a trebuchet. if the arm of the trebuchet fires in a circular motion with a radius of 2.0 m and the mass is 50kg on the other end of the arm. what will the speed of the 4 kg boulder be as it is launched into the air? assuming it is launched parallel to the ground at a ...
*November 10, 2011 by s.r*

**physics grade 12**

we have a trebuchet. if the arm of the trebuchet fires in a circular motion with a radius of 2.0 m and the mass is 50kg on the other end of the arm. what will the speed of the 4 kg boulder be as it is launched into the air? assuming it is launched parallel to the ground at a ...
*November 10, 2011 by s.r*

**Math Word problem**

Ben and Ken live in homes that are 10 miles apart. Both left their respective home at 10:00 am to visit the other person. If Joya travels at an average speed of 35mph and Tanya 45 mph, at what time will they cross each other?
*February 12, 2013 by Anonymous*

**Physics**

Earth has a mass of 5.97x10^24kg and a radius of 6.38x10^6m. Find the wight of a 65.0kg person on the surface of the earth and 1000km above the surface of earth?
*January 11, 2011 by Prince*

**English**

"You should just go somewhere. You ruined our relationship, and I don't want to talk to you anymore," Bertha said to Mitchell as he begged her for forgiveness, "But, Bertha, you are the best girl in the world. You make my dreams come true." Bertha ignored his pleas. I think it...
*March 15, 2014 by Sue*

**Physics**

write out the equation please show the steps taken to solve the problem A small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. the airplane pilot measures an air velocity of 172 km/h south. What is the velocity of the wind that...
*February 4, 2009 by y912f*

**physics**

A baseball is hit with a speed of 27 meters per second at an angle of 45 degrees. It lands on the flat roof of a 13 meter tall building. If the ball was hit when it was 1 meter above the ground, what horizontal distance does it travel before it lands on the building? A long ...
*November 23, 2011 by Bart*

**Math/Management**

Ten jobs are to be completed by three workers (Sam, Joy, and Kelly) during the next week. Each person works a 40-hour week and is paid an hourly rate: Sam, Joy, and Kelly earn $11, $13, and $14 per hour, respectively. Union rules require workers to be treated fairly; to ensure...
*October 17, 2012 by Carla*

**Psychology/ Human Growth**

6. According to Kohlberg, a person's stage of moral development is determined by the: a. Type of moral reasoning the person exhibits b. Specific moral conclusions the person reaches c. Overall intelligence of the individual d. Person’s actions in dealing with others 7. In ...
*March 6, 2011 by MEGHAT*

**physics**

A stone of mass 0.55 kilograms is released and falls to the ground. Measurements show that the stone has a kinetic energy of 9.8 joules at the point of impact with the ground. What is the stone's velocity when it hits the ground?
*March 18, 2013 by Anonymous*

**mont**

What kinds of unwanted reactions might you encounter when trying to convince the business committee to accept your proposal for a new service? What steps can you take to ensure you convey the purpose of your message to the audience? „h Review appropriate and inappropriate ...
*June 26, 2009 by Anonymous*

**math modeling**

Person A opens an IRA at age 25, contributes $2000 per year for 10 years, but makes no additional contributions thereafter. Person B waits until age 35 to open an IRA and contributes $2000 per years for 30 years. There is no initial investment in either case. d. Determine the ...
*August 20, 2011 by fazilah edwin*

**economics**

why might one person work more, earn more, and pay more income tax when his or her tax rate is cut, while another person will work less earn less, and pay less income taxes under the same circumstances
*December 14, 2009 by Melissa92*

**Precalculus**

When a projectile leaves a starting point at an angle of elevation of theta with a velocity v, the horizontal distance it travels is determined by: d=v^2/(32) sin2theta Where d is measured in feet and v in feet per second. An outfielder throws the ball at a speed of 75 miles ...
*January 31, 2012 by jake*

**Science**

A ball of mass 0.2kg falls from a height of 45m. On striking the ground it rebounds in 0.1s with two-thirds of the velocity with which it struck the ground. Calculate i the momentum change on hitting the ground, ii the forcn on the ball due to the impact.
*April 22, 2012 by Moriam*

**Physics**

a 78kg hockey player standing on frictionless ice throws a 6.0kg bowling ball horizontally with a speed of 3.0m/s. With what speed does the hockey player recoil?
*April 26, 2012 by Sarah*

**Tagalog**

I need someone to translate Hello, Goodbye, and How are you into Tagalog. Thank you What is tagalog? Hello: Halo; Huy; Magandang haponpo; Mabuhay Goodbye: (to person staying) Adyos po (to person leaving) Paalom na po Paalom; Síge How are you? [formal]Kumusta ho kayo? [informal...
*November 8, 2006 by Amanda*

**STUDY UNIT: MAIN IDEAS**

Both Greta and Fred were on the bus that arrived in Pittsburgh. Fred was glad to be home. He looked forward to visiting with old friends. Greta, on the other hand, dreaded seeing her old boyfriend. She already missed her days in New York City. 2. What can you most safely infer...
*January 27, 2011 by shamso*

**penn foster Main ideas**

Both Greta and Fred were on the bus that arrived in Pittsburgh. Fred was glad to be home. He looked forward to visiting with old friends. Greta, on the other hand, dreaded seeing her old boyfriend. She already missed her days in New York City. 16. What can you most safely ...
*January 5, 2012 by josh*

**Physics**

A person holds an object of mass m = 4.2 kg on the palm of the hand with the arm stretched. Use the torque equilibrium equation to determine the magnitude of the force F exerted by the biceps muscle when a = 25 cm, b = (0.15 · a), and the angle θ = 75°. Neglect the weight...
*November 10, 2009 by Mia*

**physics**

A person's metabolic processes can usually operate at power of 6W/kg of body mass for several hours at time.Of a 60-kg women carrying a 12-kg pack is walking uphill with an energy conversion efficiencyof 20%,at what rate, in meters/hours does her aktitude increase?
*November 15, 2011 by Agata*

**Physics**

A football is kicked off with an initial speed of 63 ft/s at a projection angle of 45 degrees. A receiver on the goal line 67 yd away in the direction of the kick starts running to meet the ball at that instant. What must be his minimum speed (in feet/second) if he is to catch...
*October 1, 2013 by 0tter*

**Physics**

A cannon on a railroad car is facing in a direction parallel to the tracks. It fires a 99 kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60.0° above the horizontal. If the cannon plus car have a mass of 5.5 104 kg, what is the recoil speed of the car if...
*October 22, 2007 by Dante*

**physics**

1)The acceleration due to gravity on the moon is 1.67 m/s2. If a person can throw a stone 12.0 m straight upward o the earth, how high should the person be able to throw a stone on the moon? Assume that the throwing speeds are the same in two cases. The height H attained when ...
*July 29, 2006 by Genevieve*

**math**

A. Draw a scatter plot B. Find the value for r. C. Test the significance of r at the 5% level and at the 1% level. D. find the equation of the regression line and draw the line on the scatter plot, but only if r is significant. E. Describe the nature of the relationship if one...
*July 5, 2009 by winta*

**English**

Thank you!! Could you check the things I wrote on the different kinds of narrator. (I still need to include the non-omniscient narrator but I need to know if my definitions are correct). 1) The narrator is the voice who tells the story and from whose point of view the story is...
*February 6, 2012 by Henry2*

**probability**

A new test for detecting a disease has been developed. Medical trials show that 92% o patients with the disease show a positive test result. If 4% of the population have the disease, determine the probability (to 3 decimal places) that: a.) a radnomly selected person shows a ...
*November 4, 2010 by jj reddick*

**integrated math 1- please help!!!**

Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 70% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from ...
*November 9, 2012 by Tifini*

**mathematical modeling**

Person A opens an IRA at age 25, contributes $2000 per year for 10 years, but makes no additional contributes thereafter. Person B waits untill age 35 to open an IRA and contributes $2000 per year for 30 years. There is no initial investment in either case. Asumming an ...
*August 13, 2011 by lala*

**physics**

I'm just having trouble setting up this problem. It's based on a picture so I'll describe it: There is an open ladder standing on the floor with a person on the third step on one side. There is a crossbar attached to the two sides of the ladder and the floor is frictionless. I...
*December 1, 2010 by Meghan*

**math-natural log**

Nuclear medicine technologists use the Iodine isotope I-131, with a half-life of 8 days,to check thyroid function of patients. After ingesting a tablet containing the iodine, the isotopes collect in a patient's thyroid, and a special camera is used to view its function. ...
*April 10, 2011 by Alexia*

**Maths**

At a boarding school, in the evening, 9 students always take walks in groups of 3. How can the groups be arranged so that each person walks in a group with every other person exactly once in 4 days? I would like to know whether there is a trick to these type of questions. My ...
*February 20, 2015 by Yasmin*

**9th grade**

A flagpole casts a shadow 27 feet long. A person standing nearby nearly casts a shadow 8 feet long. If the person is 6 feet tall, how tall is the flagpole
*March 1, 2009 by ANdRAYiA*

**gym-rights and responsibilities when ending a rel.**

what rights do you have when ending a friendship or relationship? what rights and responsibilities do you have when you are the person who has had the friendship or relationship ended by the other person?
*April 18, 2011 by ted*

**biology**

If a person with Down syndrome marries a person without Down syndrome, is it possible for their child not to have Down syndrome? I assume that there is a 50% chance that they could have a child that will not have down syndrome. Is this correct?
*October 30, 2013 by vanessa*

**Science**

if every single person on this planet (about 5x10^9) could eat 1 pizza every second, how many years would it take them to eat 1 mole of pizza. 1 mole= 6.02x10^23
*March 4, 2009 by Kate*

**maths**

Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the ...
*February 20, 2010 by thommini*

**English**

I need help writing a story using these words. Any Ideas? 1.impute-- (v) to attribute an action to particular person or group 2.incompatible-- (adj) opposed in nature, not able to live or work together 3.inconsequential-- (adj) unimportant, trivial 4.inevitable-- (adj) certain...
*March 25, 2012 by Anonymous*

**Saint Joseph's high school **

An elevator can lifts 10 people up 12 floors. Each person weighs approximately 60 kg. each floor is 3m high, and it takes 15s to reach the 12th floor from the ground floor without stopping. How much work does the elevator do? How much power does the elavator use?
*July 9, 2015 by Richellen b. bustamante*

**How do you..................**

How do you make someone your friend? How do you get to know When a person Is your friend or not? Pleaseeeeeeeeeeeeeeeee Helppppppppppppppppppp! Thank you!!!!!!!!!!!!!!!!!!!!!!!!! You cannot make someone your friend. You cannot make someone love you. You can only let yourself ...
*January 27, 2007 by Kaveri*

**physics**

A ball with mass m rolls over the edge of a table h meters above the ground. It lands a distance x meters from a point directly below the edge of the table. Show that the speed of the ball at the edge of the table was v=x/sq rt 2h/g and that the kinetic energy of the ball ...
*January 16, 2012 by asheligh*

**Physics**

A) With what minimum speed must you toss a 190 ball straight up to hit the 15.0 -high roof of the gymnasium if you release the ball 1.70 above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?
*March 20, 2013 by Jenny*

**Physics**

A) With what minimum speed must you toss a 190 g ball straight up to hit the 15.0 m-high roof of the gymnasium if you release the ball 1.70 m above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?
*March 20, 2013 by Jenny*

**AP PYHSICS**

A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
*October 1, 2012 by Liz*

**PHYSICS**

A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
*October 1, 2012 by Liz*

**physics**

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. How long was the ball in the air? Round the answer to the nearest tenth of a second.
*September 4, 2014 by troyski*

**Physics**

A ball player catches a ball 3.33s after throwing it vertically upward. a) with what speed did he throw it? b) what height did it reach?
*January 30, 2014 by Daniela*

**STATISTIC ****HELP******

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*March 18, 2014 by TIKIMA*

**Probability**

Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 60% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from ...
*November 9, 2012 by Tifini*

**Physics**

A rock is thrown vertically upward with a speed of 11.0 m/s from the roof of a building that is 70.0 m above the ground. Assume free fall. In how many seconds after being thrown does the rock strike the ground? GOT THIS!!!! t=5.07s What is the speed of the rock just before it ...
*September 11, 2006 by Josh*

**physics**

1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where it leaves the jet, ...
*October 18, 2011 by mimi*

**physics**

1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where it leaves the jet, ...
*October 18, 2011 by mimi*

**Statistics **

The home states of a certain group of people are distributed as follows: 53 percent are from MISSOURI, 21 percent are from KANSAS, and 26 percent are from IOWA. (No one in the group had a home state other than one of these three.) (Note: Your answer to the question below ...
*March 20, 2012 by Lucy King *

**Spanish: Please help**

Please help. Thank You. 1. The stem-changers in the current section are similar to those in the previous section except these stem-change "o" to "oe." A.) true B.) false 2. Of the following, which is not a stem-changing verb? A.) almorzar B.) comer C.) volver D.) contar E.) ...
*February 26, 2013 by James*

**Spanish: Please help**

Please help. Thank You. 1. The stem-changers in the current section are similar to those in the previous section except these stem-change "o" to "oe." A.) true B.) false 2. Of the following, which is not a stem-changing verb? A.) almorzar B.) comer C.) volver D.) contar E.) ...
*February 26, 2013 by James*

**physics**

A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...
*March 27, 2012 by Taylor*

**physics**

A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...
*March 27, 2012 by Taylor*

**physics**

A 74-kg fisherman in a 129-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.7 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...
*February 22, 2015 by alba*

**Math**

A telephone pole is secured with two cables. The first cable is attached to the top of the pole and makes an angle of 70° with the ground. The cable is secured to the ground 8 m from the bottom of the pole. The second cable is attached to the top of the pole and secured to the...
*May 27, 2012 by Henry P*

**math**

A golf ball of mass 4.6 g is struck by a golf club at a speed of 50 m/s. The ball has inital velocity ,v, in metres per second, of v(m) = 83/(m+0.046), where m is the mass, in grams, of the golf club. Describe the rate of change of the initial velocity as the mass of the club ...
*October 25, 2009 by Anonymous*

**Biology**

Why do elderly people experience cold intolerance when they in fact have increased adipose tissue and more lipid storing area? I mean I know temperatures of the body is regulated by the hypothalamus along with the thyroid and all .. but what i always thought a person with more...
*January 4, 2014 by 123BOBY*

**PHYSICS**

1. What is the weight of a 2.88 kg snake? 2. A girl drops a rock straight down from a bridge. Assume negligible air resistance. How fast is it going 4.0 s later? 3. A rock with a mass of 22.45 kg is falling from a tall tower. a. What is the Net Force if the rock is in free ...
*December 21, 2012 by Hayden*

**physics**

a ball is dropped off a 20m high building, the ball weights 5 g. how long does it take to hit the ground and what is the instaneous speed of the the ball at each second of it's fall?
*October 17, 2010 by m,ary*

**science**

a football is kicked with a speed of 15m/s at an angle of 35 degree from the ground. a. how high is the ball from the ground at t=0.400s? b. how fast is it moving(s) after being kicked? c. at what t-values is the ball 2m from the ground?
*November 24, 2011 by ten*

**Literature**

[from the Odyssey] 3. Which of the following of Odysseus's actions is MOST characteristic of an epic hero? a. he and his men plunder Cicones and enslave its women b. he tells Polyphemus that his name is "Nohbdy" c. He taunts Polyphemus after escaping from the Cyclops's cave. d...
*January 17, 2010 by mysterychicken*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*November 7, 2014 by Anonymous*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*November 7, 2014 by Anonymous*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*November 7, 2014 by Anonymous*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*November 7, 2014 by Anonymous*

**gravity**

while standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.79 m/s. the stone then falls to the ground 14.3 m below. At what speed does the stone impact the ground? how much time is it in the air? g=9.81 m/s^2 and ignore air ...
*September 11, 2012 by shawni*

**physics**

while standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.79 m/s. the stone then falls to the ground 14.3 m below. At what speed does the stone impact the ground? how much time is it in the air? g=9.81 m/s^2 and ignore air ...
*September 11, 2012 by shawni*

**physics**

A block of mass m= 100kg rests on a level ground. With what force, parallel to the ground, must you push the block so that it is just ready to start sliding? The coefficient of static between the block and ground is 0.40.
*May 4, 2010 by Dail*

**physic**

2. While throwing a football, you exert a forward force of 50.0 N on it and push it forward a distance of 1.2 m.
*December 23, 2010 by sabrina*

**Physics**

June stands on the roof of the house which is 22.8 m high and she throws the ball at an initial speed of 4.90 m/s downward at Ben who is 1.80m tall. a) With what speed does she hit her target's head and b) how much time was it in the air? Displacement= 21 m. -Place coordinates...
*June 7, 2014 by Luis*

**help ASAP Statistic**

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*March 17, 2014 by helen*