# A top fuel dragster covers the quarter mile in 4.5 seconds. what is its speed in miles per hour?

65,785 results

### physics

A top fuel dragster covers the quarter mile in 4.5 seconds. what is its speed in miles per hour? please tell me step by step what to do.

### Physics

A top fuel dragster can complete a quarter-mile (402 meters) in 4.7 seconds. Assuming that the vehicle starts from rest and that acceleration is constant, calculate (a) the acceleration and (b) the final speed of the top fuel dragster.

### algera

The fuel efficiency for a certain midsize car is given by E(v) = −0.018v^2 + 1.440v + 3.9 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the nearest mile per hour...

### Algebra

The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the nearest mile per hour. ...

### Algebra

The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the nearest mile per hour. ...

### algebra

A student runs 100 meters in 11 seconds. What is the speed of the student? speed = distance over time; 1 mile = 1609 meters 9.1 miles per hour 16 miles per hour 20.3 miles per hour 24 miles per hour pls help

### Trigonometry- Help!

After one hour in flight, an airplane is located 200 miles north and 300 miles west of the airport. What is the magnitude of the plane's velocity? Round your answer to the nearest mile per hour. a) 22 miles per hour b) 128 miles per hour c )256 miles per hour d) 361 miles per ...

### Math

A small truck is to be driven 300 miles on a freeway at a constant speed of x miles per hour. Speed laws on the freeway require that a truck must be driven between 30 miles per hour and 70 miles per hour. assume that fuel cost $3.50 per gallon. in addition, assume that for a ...

### Calculus

The fuel consumption (gallons per hour) of a car traveling at a speed of v miles per hour is c = f(v). 1) What is the meaning of the derivative f ' (v)? answer: rate of change of fuel consumption as miles go up 2) What are its units? answer: miles per gallon 3) Write a ...

### conversion

How much longer, in seconds, is required to drive 1 mile at 40 miles per hour than at 60 miles per hour? 1 hour = 60 minutes 1 minute = 60 seconds

### maths

A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour.His average speed for the entire trip is 1. 53 miles per hour 2. 52 miles per hour 3. 50 miles per hour 4. 48 ...

### algebra

what is the speed in miles per hour of toy car that runs 40 ft in 8 seconds. 1 hour=3600. 1 mile=5280 ft

### Calculus/ Optimization

A truck driver, on assignment from the owner of the truck is to drive on a 300 mile stretch of highway at a constant speed of v miles per hour. According to road signs, the minimum speed allowed is 55 miles per hour and the speed limit is 70 miles per hour. The cost of gas on ...

### Math

A car travelling at 23 miles per hour accelerates to 46 miles per hour in 5 seconds. It maintains that speed for 5 seconds before it slows to a stop in 5 seconds. Sketch and label a graph showing the car's speed over time.

### Math/ Calculus Please HELP!!!

A truck driver, on assignment from the owner of the truck is to drive on a 300 mile stretch of highway at a constant speed of v miles per hour. According to road signs, the minimum speed allowed is 55 miles per hour and the speed limit is 70 miles per hour. The cost of gas on ...

### algebra 1

What is the speed, in miles per hour, of a toy car that runs 40 feet in 8 seconds? Round your answer to the nearest whole number. (1 hour = 3600; 1 mile = 5280 ft)

### Calculus

You are the owner of a delivery company with one truck. The trucks fuel economy is 1200/x miles per gallon when driving at x miles per hour (where 80 >= x <= 110). The price of fuel is $1 per gallon. You pay the truck driver $8 per hour. If a delivery 100 miles away is ...

### algebra 1

A blue marlin can swim at speeds of about 50 miles per hour. What is that speed in feet per second, to the nearest whole number? (Remember, there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.)

### algebra

Rachel allows herself 1 hour to reach a sale appointment 50 mile s away. After she has driven 30 miles, she realizes that she must increase her speed by 15 miles per hour in order to get there on time. What was her speed for the first 30 miles?

### physics

Stickman is driving a dragster. He does the quarter mile in 4 seconds and at the finish line is speed is 100m/s. He deploys his parachute after he crosses the finish line and wished to slow to a speed of 10m/s in 10s. What diameter parachute does he need if the drag force is ...

### physics

Stickman is driving a dragster. He does the quarter mile in 4 seconds and at the finish line is speed is 100m/s. He deploys his parachute after he crosses the finish line and wished to slow to a speed of 10m/s in 10s. What diameter parachute does he need if the drag force is ...

### Calculus

You are the owner of a delivery company with one truck. The trucks fuel economy is 1200/x miles per gallon when driving at x miles per hour (where 80 >= x <= 110). The price of fuel is $1 per gallon. You pay the truck driver $8 per hour. If a delivery 100 miles away is ...

### algebra

The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the maximum fuel efficiency ...

### math

The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the maximum fuel efficiency ...

### math

Your Porsche's gas mileage (in miles per gallon) is given as a function M(x) of speed x in miles per hour. It is found that M'(x) = 3,600x−2 − 1 (3,600x−1 + x)2 . Estimate M'(10), M'(60), and M'(110). (Round your answers to seven decimal places.) M'(10) = 1 ...

### math

it takes 35 minutes for mr morrison to drive 25 miles to work. rounded to the nearest mile per hour, what is the speed in miles per hour?

### Algebra

One hour = 3,600 seconds and 1 mile= 5,280 feet. MAke a conjecture about how you could convert a speed of 15 miles per hour to feet per second. Then convert please help answer

### MATH

JOSH CAN JOG 1 AND 1 THIRD MILES IN A QUARTER OF AN HOUR. WHAT IS HIS AVERAGE SPEED IN MILES PER HOUR

### math

It took Esteban 1 minute and 20 seconds to travel one mile. If he then drives this one mile distance in 55 seconds, how much faster is he driving in miles per hour?

### calculus

16. Given the following information, determine the constant speed, travel time, and cost that represent the minimum one-way trip delivery cost. Fuel costs per hour are equal to V^2/600 V is the speed in miles per hour Driver (labor) costs are $10 per hour One-way distance is ...

### calculus

16. Given the following information, determine the constant speed, travel time, and cost that represent the minimum one-way trip delivery cost. Fuel costs per hour are equal to V^2/600 V is the speed in miles per hour Driver (labor) costs are $10 per hour One-way distance is ...

### physics

A VW Beetle goes from 0 to 59.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it take for the Beetle to reach this speed? (b) A top-fuel dragster can go from 0 to 59.0 mi/h in 0.700 s. Find the acceleration (in m/s2) of the dragster.

### Physics

A VW Beetle goes from 0 to 46.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it take for the Beetle to reach this speed? (b) A top-fuel dragster can go from 0 to 46.0 mi/h in 0.750 s. Find the acceleration (in m/s2) of the dragster.

### Calculus

Derivatives - chain rule An airplane, flying horizontally at an altitude of 1 mile, passes directly over an observer. If the constant speed of the airplane is 400 miles per hour, how fast is its distance from the observer increasing 45 seconds later? Hint: note that in 45 ...

### Calculus

Derivatives - chain rule An airplane, flying horizontally at an altitude of 1 mile, passes directly over an observer. If the constant speed of the airplane is 400 miles per hour, how fast is its distance from the observer increasing 45 seconds later? Hint: note that in 45 ...

### chemistry

The conversion factor relating miles to meters is 1 mile= 1610m The speed of light is 3.00×10^8 m/s. How fast is this in miles per hour (miles/h \rm miles/h)?

### math

You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate. How long should it take you to complete the trip? (3) Suppose you are driving that distance at an illegal 86.8 miles per hour ...

### Algebra please help

1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx

### Math

An unmanned aerial vehicle (UAV) carries 45 gallons of fuel. It burns fuel at a rate of 3 gph (gallons/hour) and flies at a speed of 160 mph (miles/hour). We want to fly it to a location X, fly around the area for 1 hour, and then fly it back to the launching point. The ...

### College Mathematics

You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate. How long should it take you to complete the trip? (3) Suppose you are driving that distance at an illegal 86.8 miles per hour ...

### Algebra

An unmanned aerial vehicle (UAV) carries 45 gallons of fuel. It burns fuel at a rate of 3 gph (gallons/hour) and flies at a speed of 160 mph (miles/hour). We want to fly it to a location X, fly around the area for 1 hour, and then fly it back to the launching point. How far ...

### Math Hurry!

Gabriela traveled by motorcycle at an average speed of 17 miles per hour. Then, she traveled by car at an average speed of 12 miles per hour. In total, she traveled 56 miles for 4 hours. How many miles did Gabriela travel by car? (Round to the nearest mile.)

### Math

A cyclist rides his bike at a speed of 27 miles per hour. What is this speed in feet per second? How many feet will the cyclist travel in 15 seconds? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers.

### arithmetic

if A and B ARE MOVING IN a circular track of length 0.32miles from the start line whose speed are 7 miles per hour and 9 miles per hour respectively ,then after how many seconds will they meet for the first time?

### Physics

A dragster travels 1/4 mile in 6.1 seconds. Assuming the acceleration is constant and the dragster is initially at rest, what is the velocity when it crosses the finish line?plese explain.

### Math I Have no idea PlEASE help me

Wind can affect the speed of an airplane. Suppose a plane is flying round-trip from New York City to San Francisco.The plane has a cruising speed of 300 miles per hour.The wind is blowing from west to east at 30 miles per hour. When the plane flies into (in the opposite ...

### calculus

Suppose that the cost of operating a truck in Mexico is cents per mile when the truck runs at a steady speed of v miles per hour. The top speed of the truck is 100 mph. Assume that the driver is paid 10 dollars per hour to drive the truck, and he is to begin a 1600 mile trip. ...

### math

a truck driver traveled at an average speed of 48 miles per hour on a 100-mile trip to pick up a load of freight. On the return trip with the truck fully loaded,the average speed was 40 miles per hour. Find the average speed for the round trip.

### Algebra

A truck driver traveled at an average speed of 58 miles per hour on a 200-mile trip to pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 37 miles per hour. Find the average speed for the round trip.

### College Algebra

A truck driver traveled at an average speed of 55 miles per hour on a 200-mile trip pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 40 miles per hour. What was the average speed for the round trip?

### college algebra

a bus driver wants to average at least 40 miles per hour on a 70 mile trip. if the first 35 miles takes the driver 1 hour what should be the lowest average speed for the second 35 miles?

### MATH

We do not provide the units for your answers. Do no type them in the answer box. Enter the numerical value or calculations only. You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate...

### 7th Grade Math

Sam serves a tennis ball at a speed of 90 miles per hour. If 0.62 mile is equivalent to 1 kilometer, what is Sam's serve speed in kilometers per hour? Round your answer to the nearest hundredth.

### Math

On a trip of d miles to another city, a truck driver's average speed was x miles per hour. On the return trip the average speed was y miles per hour. The average speed for the round trip was 50 miles per hour. Show that y=25x/(x-25) Find the limit of y as x approaches 25 from ...

### 6th grade AC math. Rates? I think

1 lap around a track = 1/5 of a mile. A horse horse ran a total of 3 laps in 1 minute and 30 seconds. What's the horses average speed in miles per Minute? I've tried so hard all I can come up with is 1/5 of a mile per each 1/2 minute (30 seconds) is that right pleas help

### chem

The speed of light is \rm 3.00\times 10^8~m/s. How fast is this in miles per hour (\rm miles/h)? Use the conversion 1 \;{\rm mile} = 1610\; {\rm m}.

### chem

The speed of light is 3.00 times 10^8~m/s. How fast is this in miles per hour (miles/h)? Use the conversion 1{mile} = 1610{m}.

### biotech college

What is 29 miles per hour in units of m/s? 1 mile is 5280 feet, 1 meter is 3.3 feet, 1 hour is 60 minutes, and 1 minute is 60 seconds.

### math

John leaves on a 20-mile bike trip. He rides at a speed of 8 mile per hour. Ashley leaves 1 hour later. Both bikers take the same route. Ashley rides at a speed of 6 miles per hour. How many later than John will Ashley complete the trip?

### MATH

Bob drove to the store( a distance fo 10.5) miles at ana average speed of 35 mile per hours. On the way home, he got stuck in traffic, and he only averaged 15 miles per hour along the same route. What was his average speed for the round trip ?

### math

A motorist travels 120 miles to his destination at an average speed of 60 miles per hour and returns at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour. What is his average speed for the entire trip

### Math

Brian's boat has a top speed of 9 miles per hour in still water. While traveling on a river at top speed, he went 10 miles upstream in the same amount of time he went 20 miles downstream. Find the rate of the river current.

### algebra

Rita’s boat has a top speed of 12 miles per hour in still water. While traveling on a river at top speed, she went 20 miles upstream in the same amount of time she went 40 miles downstream. Find the rate of the river current.

### stats

Homeowners claim that the mean speed of automobiles traveling on their street is greater than the speed limit of 35 miles per hour. A random sample of 120 automobiles has a mean speed of 37 miles per hour and a standard deviation of 4 miles per hour. Using a significance level...

### Algebra Readiness

Write and solve inequality. 17. The speed limit of a highway is 55 miles per hour. A car is traveling at least 65 miles per hour. How many miles per hour m over the speed limit is the cart traveling? (Every time I put one of these "<,>" they are underlined) A. 55-m>65...

### Algebra 1

Nico drives from school to the store at 25 miles per hour. He drives back to the school (along the same route) at 35 miles per hour, and the returns to the store (via the same route) travelling at 40 miles per hour. Find the average rate for the three trips. Round your answer ...

### math

if a speedomter reads in lm per hour and the legal speed limit is 55mi/h and you want to know how fast she can drive ? would I multiply the 55 x 6 to get km Do you mean that it reads in km per hour? I never heard of an lm per hour. Why would you multiply by 6? yes I meant km I...

### calculus

An automobile computer gives a digital readout of fuel consumption in gallons per hous. During a trip, a passenger recorded the fuel consumption every 5 minutes for a full hour of travel. time: 0 / gal/h: 2.5 time: 5 / gal/h: 2.4 time: 10 / gal/h: 2.3 time: 15 / gal/h: 2.4 ...

### math

A marathon runner ran 26.2 miles in 2 h 30 min. Find these rates: a. miles per hour b. miles per minute c. minutes per mile

### Chemistry 101

The mileage for a motorcycle with a fuel tank capacity of 22 liters is 35 miles per gallon. The density of gasoline is 0.74 g/cm^3.(dimensional analysis problem) a). How long a trip, in KM can be made on a full tank of gasoline? b). if the price of gasoline is $1.99 per gallon...

### algebra

A jogger ran 6 miles, decreased her speed by 1 mile per hour and than ran another 7 miles. If total jogging time was 2 1/42, find speed for each part of her run.

### math

One of the world's fastest roller coasters is located in a theme park in Valencia, California. Riders go from 0 to 100 miles per hour in 7 seconds. Find the acceleration of the roller coaster during this time interval in miles per second squared. Math - Reiny, Monday, March 8...

### Math - Advanced Functions

the function f(x)=-0.005x^2+0.8x+12 models the relationship between a certain vehicle's speed and a fuel economy, where f(x) is the fuel economy in kilometres per litre and x is the speed of the vehicle in kilometres per hour. Determine the rate of change in fuel economy for ...

### math

How many fewer minutes would it take the driver to travel a distance of 10 miles at a speed of 65 miles per hour than at a speed of 50 miles per hour? Round your answer to the nearest minute.

### math

andys average driving speed for a 4-hour trip was 45 miles per hour. during the first 3 hours he drove 40 miles per hour. what was his average speed for the last hour of his trip? The trip length was 4 x 45 = 180 miles. He went 3x40 = 120 the first three hours. How many miles ...

### Math

A goal for elite runners is to complete a mile in 4 minutes. At what speed(in miles per hour) is a runner traveling when he completes a mile in 4 minutes?

### Math

A penguin may swim as slowly as 3 miles per hour or as fast as 15 miles an hour. How many minutes does it take a penguin to swim 1 mile at full speed?

### Math

As a tornado moves, its speed increases. The functions S(d) = 93logd+65 relates the speed of the wind, S, in miles per hour, near the center of a tornado to the distance that the tornado has traveled,d, in miles. a) Graph this function. b) Calculate the average rate of change ...

### Physic Check

These are questions I'm unsure about out of 20 for my submission #2. Someone please check soon. My answers have an =. 1.)A ball is rolling across the top of a billiard table and slowly rolls to a stop. How would Galileo explain the motion of the ball as it stopped? a)The ball'...

### Math

6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to travel to make up the ...

### math

a car travels at a constants speed and uses G(x) litres of gas per kilomotre, where x is the speed of the car in kilomotres oer hour and G(x)=(1280+x^2)/(320x) a>if fuel costs 1.29 per litre, determine the cost function C(x)that expresses the cost of the fuel for a 200KM ...

### Math grade 12

the function f(x)= -o.005t^2+0.8t+12 models the relationship between a certain vehicle’s speed and fuel economy, where is the fuel economy in kilometres per litre and x is the speed of the vehicle in kilometres per hour. Determine the rate of change in fuel economy for 10 km...

### Algebra

You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I don't understand why it has to be converted to 10/60. Cause it is ...

### algebra 2

The fuel efficiency rating for a certain car is 28 miles per gallon on the highway and 21 miles per gallon in the city. During one week the car traveled a total of 10.5 gallons of fuel. a) please set up an equation(s) that would model the situation.(be sure to identify ...

### algebra

. If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle can travel 32 miles ...

### algebra please help

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle can travel 32 miles per...

### algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle can travel 32 miles per...

### algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle can travel 32 miles per...

### algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle can travel 32 miles per...

### algebra

If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle can travel 32 miles per...

### advanced functions HELP!!!

the function S(d)=93logd+65 relates the speed of the wind, S, in mile per hour, near the centre of a tornado to the distance that the tornado travels, d, in miles. a)Calculate the avg. rate of change for the speed of the wind at the centre of a tornado from mile 10 to mile 100...

### Algebra

An unmanned aerial vehicle (UAV) carries 45 gallons of fuel. It burns fuel at a rate of 3 gph (gallons/hour) and flies at a speed of 160 mph (miles/hour). We want to fly it to a location X, fly around the area for 1 hour, and then fly it back to the launching point. What is ...

### math

You are driving a car and the speed is an exponentialy distributed random variable with mean 50 (in miles per hour). The speed limit is 60 miles per hour, and if your speed is x > 60 miles per hour, the probability you are stopped by the police is 1 - e^(6-(10/x)), and if ...

### math

You are driving a car and the speed is an exponentialy distributed random variable with mean 50 (in miles per hour). The speed limit is 60 miles per hour, and if your speed is x > 60 miles per hour, the probability you are stopped by the police is 1 - e^(6-(10/x)), and if ...

### College Algebra

A truck driver traveled at an average speed of 55 miles per hour on a 200 mile trip to pick up a load of freight. On the return trip(with the truck fully loaded), the average speed was 40miles per hour. What was the average speed for the round trip?

### Algebra 1

A car travels on a highway at an average speed of 65 miles per hour. What was the speed in feet per second? (Remember- 1 mile=5280 feet)

### physics

Secretariat ran the Kentucky Derby with times for the quarter mile of 25.2 s, 24.0 s, 23.8 s, and 23.0 s. (a) Find his average speed during each quarter-mile segment. (b) Assuming that Secretariat's instantaneous speed at the finish line was the same as the average speed ...

### physics

. Compared a car (mass of 2000 kg) moving at 10 miles per hour, how much kinetic energy (in Joules) does that same car have when it moves at 20 miles per hour? At 50 miles per hour? 75 miles per hour?

### math

A airplane crosses the Atlantic Ocean (3000 miles) with an airspeed of 600 miles per hour. The cost C (in dollars) per passenger is given by... C(x)= 150 + x/20 + 36,000/x Where x is the ground speed (airspeed plus or minus wind). a. What is the cost per passenger for ...