Suppose that a senior driving a Pontiac zooms out of a darkened tunnel at 39.4 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a camper ahead in her lane moving

40,632 results

physics

Suppose that a senior driving a Pontiac zooms out of a darkened tunnel at 39.4 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a camper ahead in her lane moving at the slower speed of 12.9 m/s. She hits the brakes as ...

physics

Suppose that a senior driving a Pontiac zooms out of a darkened tunnel at 31.0 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a bus ahead in her lane moving at the slower speed of 15.7 m/s. She hits the brakes as fast ...

Physics

Suppose that a woman driving a Mercedes zooms out of a darkened tunnel at 33.9 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a bus ahead in her lane moving at the slower speed of 12.0 m/s. She hits the brakes as fast ...

physics

Speedy Sue, driving at 30.0 m/s enters a one-lane tunnel. She then observes a slow-moving van 155m ahead traveling at 5.00 m/s. Sue applies her brakes but can accelerate only at -2.00m/s/s because the road is wet. Will there be a collision? If yes, determine how far into the ...

Circle geometry!

A circular tunnel, 20 m in diameter is blasted through a mountain. A 16 m wide road isto be constructed along the floor of the tunnel. What is the maximum height of the tunnel to the nearest meter?

physics

a train goes into a tunnel at 20m/s and emerges from itat 55m/s. the tunnel is 1500m long.assuming constant acceleration the time for which the train moves in tunnel is

math

a tunnel under a river is 196.8 ft below the surface at its west point. if the angle of depression of the runnel is 4.962 then how far apart on the surface are entrances to the tunnel? how long is tunnel

Math

Suppose a tunnel is 44 feet wide and 22 feet high is in the shape of a parabola. A) Determinate an equation, f(x), of a parabola to represent this situation and B) provide a graph to support your work. Suppose lanes pass trought the tunnel that are each 12 feet wide. C) ...

Physics

A projectile is fired with a velocity u at the entrance A to a horizontal tunnel of length L and height H. Determine the minimum value of u and the corresponding value of the angle θ for which the projectile will reach B at the other end of the tunnel without touching the...

math

The roof of a tunnel is in the shape of a parabolic arch whose highest point is 18m above the road. The road surface is 16m wide. Lights are placed in the tunnel 12 meters high. How far from center of the tunnel are the lights placed?

Math- Algebra

A 600 meters long train travels through a 4200 meter tunnel. Two full minutes elapsed from time the front of the train enters the tunnel until the last wagon exits the tunnel. What is the speed, in meters per second, of the train?

Math

A tunnel under a river is 196.8 ft below the surface at its lower point. If the angle of depression of the tunnel is 4.962 degrees, then how far apart on the surface are the entrances to the tunnel in feet? I have tan 4.962= 196.8/x but I think I did something wrong?! Thanks

Statistics

Assume that men constitute 49% of population in a country. Assume also that among men there are 5% of color-blinded. Find the proba- bility that a person chosen at random is a color-blinded man.

physics

Why do you lose weight when you enter a tunnel passing through a mountain tunnel or walk inside a skyscraper?

Math

A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?

Math

A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?

Math

A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?

Math

A high school senior vacationing in Jamaica for her senior class trip jumped off a 20 foot cliff into a pool of water. The height of the senior above the water is modeled by the function h(t)=-t^2+t/4+5/4 where h(t) is the height of the senior above the water in feet t seconds...

Computer Science

0 down vote favorite I have to print: Ain't no sunshine when she's gone It's not warm when she's away. Ain't no sunshine when she's gone And she's always gone too long Anytime she goes away. How would I used methods to print these no loops? Would it be something like this: ...

politics

Which president closed the tunnel between his country and palestine? The tunnel was a secret passage way in which the palestinies got food and other helpful sources.

Math

Question: A tunnel with a parabolic arch is 12 m wide. If the height of the arch 4 m from the left edge is 6 m, can a truck that is 5 m tall and 3.5 m wide pass through the tunnel? Justify your decision. I drew the graph of the arch with x-intercepts (0,0) and (12,0) , and ...

math help

Tony is driving to Denver. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes), as shown in the figure below. Tony has 67 miles to his destination after 35 minutes of driving, and he has 55.6 miles to his ...

senior citizens

How did senior citizens lived in the middle ages? It was the obligation of the children to take care of their elderly parents, just like it is still today in many societies. It was a disaster to enter "old-age" and to be childless. I don't know what you classify as "senior ...

Math

A tunnel with a parabolic arch is 12 m wide. If the height of the arcccch 4 m from the left edge is 6 m,can a truck that is 5 m tall and 3.5 m wide pass through the tunnel.

Algebra

Boris is driving to Memphis. Suppose that the distance to his destination (in miles) is a linear function of his total driving time (in minutes). Boris has 58 miles to his destination after 21 minutes of driving, and he has 42.6 miles to his destination after 43 minutes of ...

Math

There are two main classes of individuals who can affect the outcome of an experiment: Those who could influence the results Those who evaluate the results When all the individuals in either one of these classes are blinded, an experiment is said to be: A) Single blind (I'm ...

Math

Jina is driving to Boston. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of −0.95 Jina has 44 miles remaining after 34 minutes of driving. How many miles...

Math

The probability that Aaron sees Hannah on any given day is 1/2. What is the probability that he sees her 3 out of all 5 days this week?

Algebra 1

William, a logistician, needs to route a freight train that is 20 feet at its tallest point and 10 feet at its widest point within 3 days. The most direct path includes a single-track tunnel that needs 24 hour notice prior to use. If the tunnel is roughly modeled by f(x)=-0.1x...

math

Laura is driving to Seattle. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of -0.75. Laura has 51 miles remaining after 33 minutes of driving. How many miles ...

math Statistics

Suppose that 33 out of 300 selected american drivers read the newspaper while driving. what percent of sample proportions are greater than this?

physics

An MRT tunnel is 418m long. Calculate the time it will take the 108-m long train , travelling at 72km/h to pass completely through the tunnel, leaving your answer in seconds

Science can you help me

Praire dogs dig alot of underground tunnel systems called "towns". They come to the surface to eat grasses. Cause all animals need to eat food.One reason prarie dogs dig alot of underground tunnel systems called wonderful "towns" is to ___________________________________. A....

Chemistry

Strong sunshine bombards the earth with about 1 kJ.m-2.s-1 Calculate the maximum mass of pure ethanol that can be vaporized in 10. min from a beaker left in strong sunshine, assuming the surface area of the ethanol to be 50.cm 2 .

Physics

Speedy Sue during is driving at 30.0m/s and enters a 1 lane tunnel. She then observes a slow moving van 155m ahead traveling at 5.0m/s. She applies the brakes but can only accelerate at -2.0m/s^2 b/c road is wet. a) will there be a collision? How do you know? b) If there is a ...

grammar

Language—Making Language Nonracist and Nonagist His grandmother really enjoys spending the afternoon at the center for senior citizens. This sentence i feel is right am i missing something. His grandmother really enjoys spending the afternoon at the center for senior ...

statistics

A medical statistician wanted to examine the relationship between the amount of sunshine (x) and incidence of skin cancer (y). As an experiment he found the number of skin cancers detected per 100,000 of population and the average daily sunshine in eight counties around the ...

Physics

A tunnel is 800 m long.A 100 m long train crosses the tunnel at a speed of 30m/s.Find the time taken by the train to cross it.

Trig

A railroad tunnel is shaped like semi-ellipse. The height of the tunnel at the center is 69 ft and the vertical clearance must be 23 ft at a point 16ft from the center. Find an equation for the ellipse.

Statistics Help

A medical statistician wanted to examine the relationship between the amount of sunshine (x) and incidence of skin cancer (y). As an experiment, he found the number of skin cancers detected per 100,000 of population and the average daily sunshine in eight counties around the ...

algebra

Can someone show me the complete solution to this word problem? William,a logistician,needs to route a freight train that is 20 feet at its tallest point and 10 feet at its widest point within 3 days. the most direct path includes a single-track tunnel that needs 24 hour ...

Physics

Suppose you're driving to the city at a constant speed of 75 mi/h for 50 miles. Then construction slows you to a pokey rate of 45 mi/h for the remainder of the trip. You arrive after driving 2 hours and 15 minutes. How far do you live from the city?. A. 180 mi B. 120 mi C. 200...

Physics

Suppose you're driving to the city at a constant speed of 75 mi/h for 50 miles. Then construction slows you to a pokey rate of 45 mi/h for the remainder of the trip. You arrive after driving 2 hours and 15 minutes. How far do you live from the city? A.180 mi B.120 mi C.200 mi ...

physics

Suppose a spherical planet P has a uniform density of 4.96*10^3 kg/m^3 and a radius R=1904 km. For a parcel that weighs 73 N on the surface of the (spherical) earth, what is A) gp/ge and B) its weight on the surface of P? Using the "tunnel mail" system what is C) the delivery ...

Promissory Notes

On September 5, Sheffield Company Discounted at Sunshine Bank a 9000.00 (maturity value), 120-day note dated June 5th Sunshine's discounted rate was 9%. What proceeds did Sheffield Company Receive?

Math - gr.11

A tunnel with a parabolic arch is 12m wide. If the height of the arch 4m from the left is 6m, can a truck that is 5m tall and 3.5m wide pass through the tunnel? Can someone please help me with this? and could you show me steps how you got the answer, i don't understand the ...

English

What does the light at the START of the tunnel mean? I know what the light at the end of the tunnel means, that there's always help, but I have no clue what to say for a speech about the light being at the start.

physics

Assume a planet is a uniform sphere of radius R that (somehow) has a narrow radial tunnel through its center. Also assume we can position an apple anywhere along the tunnel or outside the sphere. Let FR be the magnitude of the gravitational force on the apple when it is ...

physics

Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider Dubuque, Iowa (42.50° N latitude), and Guatemala City (14.62° N latitude). The two cities lie on approximately the same longitude. Do not neglect ...

English

1. He was driving at 70 km an hour. 2. He was driving at 50 miles an hour. 3. He was driving at low speed. 4. He was driving at full speed. (Are they all grammatical? Do you have some other expressions about "at _____"?

GRADE 10 MATH

ok this your supposed to use the quadratic formula i think... ok a tunnel is 4 m wide and 4 m high. /|\ / | \ /__|__\ 4m and a truck is 2 m wide and has to drive through it (Through the middle). what is the maximum height that the truck can be? if your can help PLEASE do!! ...

math

A railroad tunnel is shaped like a semi-eclipse. The height of the tunnel is 28ft and the total width is 50ft. Find the vertical clearance at a point 13ft to the right from the center. Please show all work that leads to your answer. Round your final answer to the nearest tenth.

Senior Project on Japanese

I'm trying to do a senior project on japanese language but it has to be something specific about the language according to my senior project techer. any ideas?

Figurative Language

LAST ONE LOL - Question : Her smile was as sweet as sunshine on a rainy day. Answer : Metaphor since her smile is being compared as the sunshine on a rainy day. - Clues: Hyperbole, Personification, Simile, or Metaphor.

physics

Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider Dubuque, Iowa (42.50° N latitude), and Guatemala City (14.62° N latitude). The two cities lie on approximately the same longitude. Do not neglect ...

Physics

A child's pogo stick stores energy in a spring with a force constant of 2.5×104N/m. At position A, the spring compression is a maximum and the child is momentarily at rest. At position B, the spring is in its equilibrium position and the child is moving upward. At position C...

Psychology

Mrs. Goldman was a little startled when she realized that while driving home, she didn't really remember driving the last mile. For Mrs. Goldman, driving has probably become a(n): a) controlled process. b) metacognitive process. c) time to engage in selective attention. d) ...

Promissory Notes

On September 5th, Sheffield Company discounted at Sunshine Bank a 9000.00 (maturity value), 120-day note dated June 5th. Sunshine's discount rate was 9%. What proceeds did sheffield company receive. We are using 360 day and NOT 365

math

Tickets to the Senior Class Play cost $3.00 for students, $8.00 for adults, and $5.00 for senior citizens. At Friday night's performance, there were 121 students, 174 adults, and 32 senior citizens. At Saturday night's performance, there were 183 students, 140 adults, and 25 ...

Baking

I have a recipe for a Tunnel of SugarPlum cake. It calls for a small pky of frosting mix (Jiffy). This is no longer available here. I have researched other Tunnel recipes on the web. They also call for the frosting mix. HELP PLEASE. How and what can I substitute for this item?

Taylor

The blck mamba is one of the world's most poisonous snakes, and with a maximum speed of 18.0 km/h, it is also the fastest. Suppose a mamba waiting in a hide-out sees prey and begins slithering toward it with a velocity of +18.0 km/h. After 2.50 s, the mamba realizes that its ...

algebra URGENT HELP

cohol and Driving The concentration of alcohol in a person’s bloodstream is measurable. Suppose that the relative risk R of having an accident while driving a car can be modeled by the equation R = e kx where x is the percent of concentration of alcohol in the bloodstream ...

Calculus

Scorpion Gulch and Western Railway are preparing to build a new line through Rolling Mountains. They have hired you to do some calculations for tunnels and bridges needed on the line. You set up a Cartesian coordinate system with its origin at the entrance to the tunnel ...

physics

A train is traveling up a 5.2° incline at a speed of 3.09 m/s when the last car breaks free and begins to coast without friction. (a) How long does it take for the last car to come to rest momentarily? (b) How far did the last car travel before momentarily coming to rest?

physics

A train is traveling up a 3.6 incline at a speed of 3.30 when the last car breaks free and begins to coast without friction. How long does it take for the last car to come to rest momentarily? and how far did the last car travel before momentarily coming to rest?

Science-Chemistry

syringe filled with water and left by the sink in the sunshine. Ten minutes later sees little puddle of water under the syringe tip. What caused the little puddle of water to appear under the syringe tip? Use words particle and kinetic energy in explanation

stastics

A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never uses a cell phone ...

statistic

A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never uses a cell phone ...

Physics

David, who is 65 kg, is driving his car at a speed of 25 m/s. He sees a dog crossing the road and so he steps on the brake to avoid hitting it. His seatbelt brings his body to a stop in 0.4 s. What magnitude of force does the seatbelt exert on him?

urgent urgent algebra / precalculas

lcohol and Driving The concentration of alcohol in a person’s bloodstream is measurable. Suppose that the relative risk R of having an accident while driving a car can be modeled by the equation R = e kx where x is the percent of concentration of alcohol in the bloodstream ...

urgent urgent algebra / precalculas

Alcohol and Driving The concentration of alcohol in a person’s bloodstream is measurable. Suppose that the relative risk R of having an accident while driving a car can be modeled by the equation R = e kx where x is the percent of concentration of alcohol in the bloodstream ...

Math

Suppose you are driving to visit a friend who lives far away. You are driving at an average rate of 55 miles per hour. You must drive a total of 295 miles. If you have already driven 20 miles, how long will it take you to reach your destination? A) 2 hours B) 5 hours* C) 3 ...

Trigonometry

a satellite camera takes a rectangular - shaped picture. the smallest region that can be photographed is a 4 - km by 6 - km rectangle. as the camera zooms out, the length l and width w of the rectangle increase at a rate of 3km/sec. how long does it take for the area A to be ...

physics

michael is driving his sports car at 30m/s when he sees a dog on the road he slams on the breaks and comes to a stop in 3.0 second what is the acceleration of michael car?

MATH

A 2-mile long train travels at 40 miles per hour through a 1.5-mile long tunnel. How long will it take the train to completely pass through the tunnel? (Answer should be given to the nearest second.)

Math

An igloo approximates a hemisphere, with an entrance tunnel that approximates half a right cylinder. The base of the igloo has diameter 4.0 m. The entrance is 0.8 m long; it has an external radius of 0.8 m and an internal radius of 0.7 m. Calculate the surface area of the ...

Englsih

Posted by rfvv on Tuesday, May 17, 2016 at 2:12am. 1. Can you give me a ride if you are driving? 2. Can you give me a ride if you drive? 3. He will be driving, so ask him to give you a ride. 4. He will drive, so ask him to give you a ride. -------------- Are they all the same ...

Writing

While conducting these difficult tests, the state driving inspectors often seemed stern and unyielding. Which of the following is the best way to write this sentence? 1) tests, the state driving inspectors 2) tests the state driving inspectors 3) tests. The state driving ...

Stats

In a simple random sample of 1000 people taken from City A, 13% are senior citizens. In an independent simple random sample of 600 people taken from City B, 17% are senior citizens. Is the percent of senior citizens different in the two cities? Or is this just chance variation...

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 ...

English

I rewrote all the sentences in the simple present as you suggested to me. Can you please check them? 1) The narrator writes that he has always been fond of pets. He has had pets at home since he was a child. He has continued having pets at home even after getting married. 2) ...

math

8)State a valid conclusion for the following statements: • If a person is a senior in college, then they have completed all of their general education requirements. • Beth is a senior in college

algebra

A movie theater has 400 seats. Tickets at the theater cost $8 for students, $10 for adults, and $7 for senior citizens. On a night when all the seats were sold, the theater made $3,535 from ticket sales. If the number of adult tickets sold was 10 less than the number of ...

Trig

A railroad tunnel is shaped like a semiellipse as shown below. A semiellipse is shown on the coordinate plane with vertices on the x axis and one point of intersection with the positive y axis. The height of the tunnel at the center is 27 ft and the vertical clearance must be ...

Physics

A tunnel of length L = 141 m, height H = 6.9 m high, and width 6.0 m (with a flat roof) is to be constructed at distance d = 60 m beneath the ground. The tunnel roof is to be supported entirely by square steel columns, each with a cross-sectional area of 960 cm^2. The mass of ...

Physics

A woman in a car on a level road sees an airplane traveling in the same direction that is climbing at an angle of 30 degrees above the horizontal. By driving 110 km/h she is able to stay directly below the airplane. What is the airplane's velocity?

Math

A train that is one mile long starts through a tunnel that is also 1 mile long. the train is traveling 15 miles per hour. how long does it take for the train to get completely through the tunnel?

Algebra

Help? The school john goes to is selling tickets to the annual dance competition . On the first day of sales the school sold 2 senior citizen tickets and 13 student tickets for a total of $108. The school took in$144 on the second day selling 4 senior tickets and 14 student ...

Science

1.How do a flounder's color protect it from enemies? 2.What is a characteristic of all instinctive behavioral adaptations? 3.When do the seeds of many desert wildflowers sprout? 4.Why did dark peppered moths out survive light moths when soot darkened the trees? Please help I ...

SENIOR PROJECT IDEAS

What are some good topics for a senior project to do?

physics

A driver take 0.20 second to apply the breaks (reaction time). If he is driving car at a speed of 54 kmh–1 and the breaks cause a deceleration of 6.0 ms–2. Find the distance travelled by car after he sees the need to put the breaks.

Literature

I'm still having some trouble figuring out the homeric simile in this: What a dear welcome thing life seems to children whose father, in the extremity, recovers after some weakening and malignant illness: his pangs are gone, the gods have delivered him. What two things are ...

Math

So I have 4 questions. We were doing ratios in class and we have to figure out either the part or the total; 1. Katie and May took turns driving to Chicago. May drove 5 out of 11 miles. By the time they reached Chicago, May had driven 12 less miles than Katie. How many miles ...

Math

Andrea sells tickets at the Showtime Cinema. On Thursday night, Back to the Future was playing. Adults, senior citizens and children bought tickets at the following rates: Adults $5.00 Senior Citizens $1.00 Children $.10 Andrea sold 100 tickets worth $100. How many adult, ...

Algebra

At noon, your family starts out .from Louisville to go to Memphis driving at 40 mi/h. Your uncle leaves Memphis to come to Louisville two hours later. He is taking the same route and driving at 60 mi/h. The two cities are 380 miles apart. At what time do the cars meet?

History

What is the importance or effect of these 1. France is a latecomer in the scramble for New World real estate. 2. French Catholic missionaries, notably the Jesuits, labored zealously to save the Indians for Christ and from the fur-trappers. 3. William Pitt, the elder, becomes ...

English

1. Can you give me a ride if you are driving? 2. Can you give me a ride if you drive? 3. He will be driving, so ask him to give you a ride. 4. He will drive, so ask him to give you a ride. -------------- Are they all the same in meaning? Which expressions do we have to use? ...

senior year

does anyone know what consumer math is? i'm trying to take it for my senior year, but i'm not sure what it's about. or if i can take it after trig and algebra.

English

which one of the following word is a singular verb? A.sees B.fly C.shirts D.walk I think it's A.sees am i correct

French

Translate these sentences in French please. I see you. He sees us. We see them. She sees them. She sees you all. I invite you. I invite him. He invites us

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