# An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. Late at night, the traffic

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### Physics- PLEASE HELP

An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. Late at night, the traffic flow is only 7 cars per minute. (b) What is the sound ...

### Physics- Elena please help!

An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. Late at night, the traffic flow is only 7 cars per minute. (b) What is the sound ...

### Physics- Elena please help!

An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. (a) What is the sound intensity during the day ? (Reminder: If you choose to use ...

### Physics

This time I have two questions: #1.A recording engineer works in a soundproofed room that is 49.7 dB quieter than the outside. If the sound intensity in the room is 2.66 x 10-10 W/m2, what is the intensity outside? #2.A listener increases his distance from a sound source by a ...

### STATS

a woman standing on a bridge overlooking a major insterstate wants to know how likely it is that the next 20 out of 50 cars that pass under the bridge are red cars, if she has observed in the past that the probability than any given car on that interstate highway is red is ...

### English (ms.sue)

Is this a good way to describe silence outside the school gates? silence arose at the school gates. Every so often cars pass by disturbing the peace. The sound that was made was the part time teachers escaping before the chaos and the sound of the wind, whispering rumours. it ...

### physics

What is the force of gravity between two 832 kg cars separated by a distance of 29.35 m on an interstate highway?

### Physics

The car in front of you is driving 105 km/h on the highway. You pull out to pass the car travelling 114 km/h. Both cars are 2.7m long. You pull out when you are 10m behind the car in front of you and pull back in when you are 10m in front of the other car. How long does it ...

### Pigskin geography

( october20) which interstate highway would the Cincinnati bengals take to get to motor city?

### Physical science

What is the force of gravity between two 1215 kg cars separated by a distance of 31m on an interstate highway

### math

a cb radio station c is located 3 mi from the interstate highway h. the station has a range of 6.1 mi in all directions from the station. if the interstate is along a straight line, how many miles of highway are in the range of this staion?

### math

Two cars started at sunrise and travelled at a constant speed,one from city A to city B and the other from city B to city A on the same highway.They met at noon and without stopping and arrived respectively at city B at 4 p.m. and at A at 9 p.m. required:determine the sunrise ...

### Algebra 2

A car enters a interstate highway 15 mi north of the city. The car travels due north at an avrage speed of 62.5 mph. Write an equation to model the car's distance from the city after traveling for h hours.

### college physics

The sound level when one child is talking in a room is 60.0 dB. What would be the sound level if all 20 children talk at the same time in the same room? Assume each child talks equally loudly.

### math

at 8 am Dylan and his neighbor drove their cars to a city that was 240 mi. away from their neighborhood. when Dylan reached the city mickey had 40 mi. to go. he finally completed his trip48 minutes later

### physics

A loudspeaker is placed between two observers who are 114 m apart, along the line connecting them. If one observer records a sound level of 61.6 dB and the other records a sound level of 81.3 dB, how far is the speaker from each observer?

### 12th grade (Physics)

A highway is to be built between two towns, one of which lies 44.0 km south and 74.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?

### physics

A highway is to be built between two towns, one of which lies 24.0 km south and 76.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?

### algebra 2

A car enters an interstate highway 15 mi north of a city.The car travels due north at an average speed of 62.5 mi/h.Write an equation to model the car’s distance d from the city after traveling for h hours. Graph the equation

### social studies

1) Suppose that people in your community voted to eliminate all taxes. Which of these goods and services would most likely disappear? a. grocery store parking lots b. regional military base c. neighborhood trash pickup d. interstate highway maintenance It's between B and D

### Acoustic

Consider a room that is 6m long, 5m wide and 3m high and whose walls, floor and ceiling have the same sound absorption coefficient (α=0.01). When all machines are in use, the sound pressure level (SPL) within the room amounts to 90 dB. A carpet is to be placed on the ...

### Math

At 11:00am a car (1) leaves city "A" at a constant rate of 60 mi/hr toward city "B". AT the same time a second car (2) leaves city "A" at the constant rate of 50 mi/hr. The distance between cities A and B is 220miles and a highway used by the two cars connects these cities. At...

### math

At 8 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 240 mi. away from their neighborhood. When Dylan reached the city, Mickey had 40 mi. to go. He finally completed the trip 48 minutes later. a) How long did it take Mickey to drive to the city? b...

### math

At 8 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 240 mi. away from their neighborhood. When Dylan reached the city, Mickey had 40 mi. to go. He finally completed the trip 48 minutes later. a) How long did it take Mickey to drive to the city? b...

### math

At 8 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 240 mi. away from their neighborhood. When Dylan reached the city, Mickey had 40 mi. to go. He finally completed the trip 48 minutes later. a) How long did it take Mickey to drive to the city? b...

### Ap calc

A traffic engineer monitors the rate at which cars enter a freeway onramp during rush hour. From her data, she estimates that between 4:30pm and 5:30pm the rate R(t) at which cars enter is given by: R(t)= 100(1-0.00012t^2) car per min., where t is time in min. since 4:30. a. ...

### US History

"The Interstate Commerce Act of 1887, establishing the Interstate Commerce Commission (ICC) had been an early effort to regulate the industry; but over the years, the courts had sharply limited its influence." - wiki Would the Interstate Commerce Act of 1887 be considered a ...

### AP Calculus AB

A traffic engineer monitors the rate at which cars enter a freeway onramp during rush hour. From her data, she estimates that between 4:30 pm and 5:30 pm, the rate R(t) at which cars enter is given by: R(t)=100(1-0.00012t^2) cars per minute, where t is time in minutes since 4:...

### Physics HELP!!!!!!!!

A recording engineer works in a soundproofed room that is 47.5 dB quieter than the outside. If the sound intensity in the room is 1.40 x 10^-10 W/m2, what is the intensity outside? I have done this numerous times and it is still wrong! -47.5 = 10 log (1.4x 10^-10/1x 10^-10) -...

### physics

19 cars in a circle at a boom box competition produce a 130 dB sound level at the center of the circle. What is the average sound level(dB) produced there by each, assuming interference effects can be neglected?

### physics

19 cars in a circle at a boom box competition produce a 130 dB sound level at the center of the circle. What is the average sound level(dB) produced there by each, assuming interference effects can be neglected?

### physics

19 cars in a circle at a boom box competition produce a 130 dB sound level at the center of the circle. What is the average sound level(dB) produced there by each, assuming interference effects can be neglected?

### Physics

18 cars in a circle at a boom box competition produce a 105 dB sound level at the center of the circle. What is the average sound level produced there by each, assuming interference effects can be neglected? dB = ?

### Physics

A recording engineer works in a soundproofed room that is 47.5 dB quieter than the outside. If the sound intensity in the room is 1.40 x 10^-10 W/m2, what is the intensity outside? -47.5=10log( 1.40 x 10^-10/Io divid each side by ten, then the antilog of each side, and solve. ...

### math

At 6 A.M., Dylan and his neighbor, Mickey, drove in their cars to a city that was 300 miles away from their neighborhood. When Dylan reached the city, Mickey had 50 miles to go. He finally completed the trip 48 minutes later. A) How long did it take Mickey to drive to the city...

### Physics

In the afternoon, the decibel level of a busy freeway is 80 dB with 100 cars passing a given point every minute. Late at night, the traffic flow is only 5 cars per minute. What is the late-night decibel level?

### physics

19 cars in a circle at a boom box competition produce a 130 dB sound level at the center of the circle. What is the average sound level(dB) produced there by each, assuming interference effects can be neglected? Please someone help me to solve this problem. Thanks a lot.

### Calculus

A car rental agency rents 180 cars per day at a rate of 32 dollars per day. For each 1 dollar increase in the daily rate, 5 fewer cars are rented. At what rate should the cars be rented to produce the maximum income, and what is the maximum income?

### Science

A highway is to be built between two towns, one of which lies 98.0 km south and 24.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway be directed, as a positive angle with respect...

### physics

A highway is to be built between two towns, one of which lies 49.0 km south and 95.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway be directed, as a positive angle with respect...

### physics

A highway is to be built between two towns, one of which lies 47.0 km south and 69.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway be directed, as a positive angle with respect...

### physics

1.) The average sound intensity inside a busy neighborhood restaurant is 3.*10^-5 W/M^2. How much energy goes into each ear (area = 2.1 * 10^-2 m^2) during a one hour meal? 2.) A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity ...

### Math

According to a rating agency, a car's MPG (miles per gallon) ratings are: 25 MPG for city and 30 MPG for highway driving. A driver spent $20.00 (the gasoline costs $1.25/gallon) on a combined city and highway trip of 450 miles. How many miles "C" in city and "H" on highway was...

### math

using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A to city D?

### math

using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A to city D?

### physics

a highway is to be built between two towns, one of which lies 35.0 km south and 72.0 km west of the other. what is the shortest length of highway that can be built between the two towns, and at what angle would this highway be with respect due to west? can some one solve this ...

### Math

According to a rating agency, a car's MPG (miles per gallon) ratings are: 25 MPG for city and 30 MPG for highway driving. A driver spent $20.00 (the gasoline costs $1.25/gallon) on a combined city and highway trip of 450 miles. How many miles "C" in city and "H" on highway was...

### Math

According to a rating agency, a car's MPG (miles per gallon) ratings are: 25 MPG for city and 30 MPG for highway driving. A driver spent $20.00 (the gasoline costs $1.25/gallon) on a combined city and highway trip of 450 miles. How many miles "C" in city and "H" on highway was...

### Science

A blind person walks the neighborhood making loud clicking noises with his tongue. He doesn't use a walking stick nor does he have a seeing-eye-dog. However, he avoids every obstacle and is able to navigate his way around the neighborhood safely. What can be inferred from the ...

### Math

Two cars are 30 miles apart and moving toward each other on the same highway. One car is going 10 miles per hour faster than the other. How fast is each of the cars going if they pass each other 15 minutes later?

### SS

Suppose that people in your community voted to eliminate all taxes. Which of these goods and services would most likely disappear? A. interstate highway maintenance B. neighborhood trash pickup C. regional military base D. grocery store parking lots B What is one source of ...

### trigonometry

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35° and to the other is 55°. How far apart are the cars? (Round your ...

### Psychology

Eladio is a Mexican American boy who lives in a middle-class neighborhood with his family. Both his parents work outside the home. He has cousins who live in the inner city and whose household income is significantly lower. Based on this information, which statement is most ...

### government

Which of the following statments is true about U.S. roads and highways? A. The Federal Government is a partner with the States in funding higways. B. The Interstate Highway System was completed in the 1950s. C. Few roadways are built with State funds. D. The Federal Government...

### physics

Factory Worker A is exposed to a sound of a constant intensity of 6.30 × 10–4 W m–2 at a distance of 1.00 m from a noisy machine. The frequency of the sound is 4.00 kHz. (a) What is the sound level in decibels (dB) of this sound? (b) By what factor would the amplitude of ...

### physics

Assume the truck is going at v0 = 25 m/s, and you're 20 m behind the truck. You decide to accelerate at a = 1.0 m/s2 to pass the truck. To pass safely, you also want to pass the truck by 20 m before moving back to the lane. Part A ) Estimate the time interval needed to pass a ...

### trigonometry

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway, both on one side of the plane. If the angle of depression to one car is 34° and to the other is 51°, how far apart are the cars? (Round your ...

### statistics

The Computer Anxiety Rating Scale (CARS) measures an individuals level of computer anxiety, on a scale from 20 (no anxiety) to 100 (highest level of anxiety). Researchers at Miami University administered CARS to 172 business students. One of the objectives of the study was to ...

### ALGEBRA

A nearby resort rented a certain number of function rooms for Php 28,800. When the price was reduced by Php 20 per room, 6 more rooms were rented. How many function rooms were rented?

### physics - sound level

The source of a sound wave has a power of 2.50 µW. Assume it is a point source. (a) What is the intensity 6.70 m away? I used I = Power / 4*pi*r^2 and found I to be 4.43x10^-9 W/m^2 (b) What is the sound level at that distance? Sound level = 10 dB*log [(Intensity)/(Intensity ...

### Physics

Ten cars at an intersection are blowing their horns simultaneously, creating a 98 decibel sound in the middle of the intersection. What is the average sound level for each car?

### Math

Could someone answer this question so I understand it. The answer is 28.0, but i'd like to know how to do it. Thanks Randomly selected cars were weighed, and the highway fuel consumption amounts (in miles/gal) were determined. For 20 cars, the linear correlation coefficient is...

### physics

wo cars approach each other on a straight, level highway. Car A travels at 60 km/h and car B at 80 km/h. The driver of car B sees car A approaching at a speed of ________. Two cars approach each other on a straight, level highway. Car A travels at 60 and car B at 80 . The ...

### math

Mark's house is 90 miles away from New York. You travel 15 miles on city streets, and then 75 miles on the highway. a. your average speed is 25 miles per hour in the city and 60 miles per hour on the highway. Use the formula time=distance/rate. How much time will you spend ...

### word problem

Millwood city is constructing a new highway through town. The construction crew can complete 5 3/6 miles of road each month. The total new highway will be 54 miles long. Will the highway be finished in 8 months? I know that 36 2/5 miles of highway can be completed in 6 1/2 ...

### American Government

Please check my answers. 1. Which of the following is a reason explaining why prison populations have increased dramatically? A. Many prisons have close down making the ones that remain overcrowded. B. Many new prisons have been built inspiring states to fill them. C. The ...

### grammar - conjunction

Fill in the blanks with the words those given in the brackets. ( though / after / if / so / when / while / for / as / but ) 1)(Though) poor himself, he tried to help others. 2)We must wait (until) Ali comes, (as) he has all your tickets. 3)(When) it started raining, everybody ...

### Math

Hello, I need to use matrices in order to solve this problem but I am having a hard time getting started with the problem. I just need a little push to nudge me in the right direction. Please help. Thank You. You have been hired as a consultant for Crazy Al’s Car Rentals, a ...

### SOC120

• Compose a 200- to 300-word response to the following: • • Explain urban growth trends in the world’s poorest countries. What causes urbanization in poor countries? • • Choose a major city in a poor, developing country and research how urbanization has occurred in...

### Speed questions

N city is 635 k.m. away from F city. Mr.L set off from N city to F city at 8:20 am at a speed of 70km/h. Mr.G left from f city to N city 30 min later at speed of 80km/h. At what time did they pass each other? (Both trveling on same road.)

### maths

A straight highway leads to the foot of a tower of height 50m. From the top of the tower, the angles of depression of two cars standing on the highway are 30 degree and 60 degree. What is the distance between the two cars and how far is each car from the tower ?

### maths

A straight highway leads to the foot of a tower of height 50m. From the top of the tower, the angles of depression of two cars standing on the highway are 30 degree and 60 degree. What is the distance between the two cars and how far is each car from the tower ?

### English singulars and plurals

Please make any necessary corrections to the following sentence. The oldest house in our neighborhood was built thirty five years ago; it is located at fifteen tenth street. my answer The oldest house in our neighborhood was built 35 years ago; it is located at 15th 1oth street.

### US History: Ms. Sue

"The Interstate Commerce Act of 1887, establishing the Interstate Commerce Commission (ICC) had been an early effort to regulate the industry; but over the years, the courts had sharply limited its influence." - wiki Would the Interstate Commerce Act be considered a policy for...

### FInite Math

A car rental agency has rental and return facilities at both Dallas and Austin Airports. Assume that a car rented at either airport must be returned to one or the other airport. If a car is rented at Austin, the probability that it will be returned there is .80; If a car is ...

### 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 ...

### Social Studies

What were the effects of the interstate highway system? 1.it caused decline in air 2.it connected surban areas to metropolitan areas 3.highway constructions projects created jobs 4.it enabled people to drive longer distances at faster speeds my best answer is 1 and 3 can u ...

### History

What u.s. president began the interstate Highway System?

### Algebra 1

a scale drawing for a new city library shows a rectangular children's reading room with a length of 5 1/4 inches and a width of 3 1/2 inches. The scale on the is 1 inch:4feet . What will be the actual length and with of the room when the library is built. Can someone explain ...

### Science--HELP!!

1. In which of the following situations is a sound wave most likely to travel through air? A) An alarm clock rings in a vacuum. B) A giant star explodes. C) A grasshopper eats a leaf. D) An astronaut uses tools in space. 2. Which of the following factors determines the ...

### Physics

There is a band who uses 10000 W to radiate sound energy in all directions. What was the intensity of sound 10 meters from this speaker? What was the sound level in dB at a distance of 10 m? At what distance from the speaker was the sound level 100 dB?

### Physics

A banked circular highway curve is designed for traffic moving at 60 km/h. The radius of the curve is 207 m. Traffic is moving along the highway at 42 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to take the turn ...

### physics

A banked circular highway curve is designed for traffic moving at 55 km/h. The radius of the curve is 220 m. Traffic is moving along the highway at 38 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to take the turn ...

### physics

A banked circular highway curve is designed for traffic moving at 57 km/h. The radius of the curve is 216 m. Traffic is moving along the highway at 42 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to take the turn ...

### math

Wendy noticed that out of 345 cars that passed her house, 56 were SUVs. About how many SUVs could she expect to pass by if 2,100 cars were to pass by her house?

### MATH

A truck enters a highway driving 60mph. A car enter the highway at the same place 14 minutes later and drives 66mph in the dame direction. From the time the car enters the highway, how long will it take the car to pass th truck?

### Literature

I had to write a research paper on the Globe Theater. Is this OK? In 1576, outside the city of London, an actor-manager named James Burbage built the first stable theater in England, called The Theater. Before The Theater, plays were usually performed anywhere a space could be...

### math

miss Thao owns a small hotel with 30 identical rooms. she finds that if she charges a price of 12 dollars ( or less) per room per day, all the rooms are rented. for every 1 dollar in price, 2 rooms remain vacant. each day, maintenance cost 4 dollars per rented room and 1 for ...

### Sociology

Hello, I need help finding statistics for this assignment. I have tried to google for some, but maybe I am doing this wrong. Here is the assignment: Compose a 200- to 300-word response to the following: o Explain urban growth trends in the world’s poorest countries. What ...

### Social Studies

Which of the following was true of people moving to suburbs and purchasing automobiles? A Women were allowed to drive and thereby gained more freedom. B It was a lifestyle only the wealthy could afford. C Women were left isolated all day as men took the cars to work in the ...

### physics

Two cars are traveling in opposite directions on a two lane road. Car A starts from the origin at t =0 and accelerates (moving due East) from rest at 4 m/s2. At t = 0, Car B is moving due West with a velocity of 15 m/s and is 500 m east of car A but accelerating toward the ...

### algebra

A man drove at the rate of 50 km an hour while outside a city and 30 km an hour while within the city. If a trip of 33 km took him 54 minutes, how much of the trip was outside the city?

### Physics

Ten cars at an intersection are blowing their horns simultaneously, creating a 100 decibel sound in the middle of the intersection. What is the average sound level for each car? 10/100= 10db per car?? Idk

### Math - Linear Equations

A car gets 21 mi/gal in city driving and 28 mi/gal highway driving. If 18 gal of gas are used in traveling 448 mi, how many miles were driven in the city, how many driven on the highway (assuming that only the given rates of usage were actually used)?

### Math

Millwood City is constructing a new highway through town. The construction crew can complete 5 3/5 miles of road each month. 6Can the highway be finished in 8 months?

### physics

car P travels due East along a straight highway at a constant speed of 30m/s. at 9:00am , P passes Exit 17. At precisely the same moment, car Q passes Exit 16, traveling due West as constant 26m/s. Slightly later, car P and car Q pass the same point. knowing the ecits are ...

### math

ent-4-wheels makes a profit of $12 per day for each car rented, and loses $4 per day for each car that is not rented. How many cars should the company have on hand to maximize profit, subject to the following probability distribution: anticipated number of rental requests 12 ...

### physics

(a) By what factor is one sound more intense than another if the sound has a level 17.0 dB higher than the other? (b) If one sound has a level 32.0 dB less than another, what is the ratio of their intensities?

### physics

(a) By what factor is one sound more intense than another if the sound has a level 17.0 dB higher than the other? (b) If one sound has a level 32.0 dB less than another, what is the ratio of their intensities?