Questions on Word Problems: Travel and Distance answered by real tutors!

Tutors Answer Your Questions about Travel Word Problems (FREE)

Question 211162: he population of a small country increases according to the function
B = 2,400,000e^0.03t, where t is measured in years. How many people will the country have after 4 years?
Click here to see answer by checkley77(12569)

Question 211105: Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 miles per hour faster than the other car, what was the average speed for each car for the two hour trip?
Click here to see answer by checkley77(12569)

Question 211132: How long does it take a porsche driving at 120 kilometers to go 90 miles per hour
Click here to see answer by rfer(12670)

Question 211190: An abject is orbiting the Earth at 215 miles in altitude. It takes one hour to orbit the Earth. What is it's speed? What is the mathmatic equation to calculate the answer?
Click here to see answer by Alan3354(30993)

Question 211257: Uniform motion problem. Suppose that you are walking along the side of train tracks at 2mph. A train is traveling 20mph in the same direction requires 1 minute to pass you. How long is the train?
Click here to see answer by RAY100(1637)

Question 211112: A particle undergoes two displacements. The
first has a magnitude of 11 m and makes an
angle of 76◦ with the positive x axis.
The result after the two displacements is
8.7 m directed at an angle of 109 ◦ to the
positive x axis using counter-clockwise as the
positive angular direction (see the figure be-
low).
Find the magnitude of the second displace-
ment. Answer in units of m.
Click here to see answer by RAY100(1637)

Question 211307: Two cars leave from the same place at the same time, traveling in opposite directions. One travels 5 kilometers per hour faster than the other. After 3 hours they are 495 kilometers apart. How fast is each car traveling?
Click here to see answer by checkley77(12569)

Question 211364: train a and b are travelling in the same direction on parallel tracks. train a is travelling at 60 mph and train b at 70 mph. train a passes a station at 7:25 pm. If train b passes the same station at 7:55 pm at what time will train b catch up with train a"
Click here to see answer by Alan3354(30993)

Question 211390: A sports car accelerates from 0 to 60 mph in 3 seconds. Express this acceleration in meters per second2.
The 2 at the end of second is should show as a second power.
Click here to see answer by Alan3354(30993)

Question 211490: Two cars leave the same parking lot at noon, One car drives 30 mph faster than the second car, which is driving due west. At what time will they be 1200 miles apart?
Time=Distance/Rate
How do I figure it out. I have come up with several possible answers, but nothing seems to be right. An answer that I keep running into is that the One car is going 97 miles an hour.
Click here to see answer by Alan3354(30993)

Question 211578: Can someone please help me with this "ballistics word problem?
The height of a projectile fired upward with an initial velocity of 400 ft per sec is given by the formula h=-16t^2+400t, where h is the height in ft and t is the time in sec. Find the time required for the projectile to return to earth.
Please show me the steps and please get back before Tues 10am
Thank you so much
Click here to see answer by jim_thompson5910(28598)

Question 211587: Can you please help me with this uniform motion problem? If the speed were increased by 10mph, a 420 mile trip would take 1 hr less time. How long will the trip take at the slower speed? Please show me all the steps and please get back to me before Tues. 10am.
Thank you guys
Click here to see answer by vleith(2825)

Question 211588: A man rides out into the country at a uniform rate of 30 miles per hour.
He rests 2 hours and then rides back at 20 miles per hour. He is gone 5
hours. How far did he go?
Please work me through this problem!
Thanks!
Click here to see answer by vleith(2825)

Question 211531: Flying with the wind, a plane flew 1000 miles in 4 hours. Flying against the wind, the plane could fly only 500 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind.
Click here to see answer by checkley77(12569)

Question 211528: A boat travels 36 miles in 4 hours upstream. In the same amount of time the boat can travel 48 miles downstream. Find the rate of the current and the rate of the boat in still water
Click here to see answer by checkley77(12569)

Question 211514: The speed of a boat in still water is 28 mph. The boat traveled 70 mi down a river in the same amount of time in which it traveled 42 mi up the river. Find the rate of the rivers current.
Click here to see answer by checkley77(12569)

Question 211498: Patty the Paddler paddles her paddle boat at a constant 12km/h. She paddles 21km upstream and 34 km downstream in a total of 5 hours. What is the speed of the current?
Click here to see answer by checkley77(12569)

Question 211634: if two planes left the same location and in three hours were 2700 miles apart and one plane flew twice as fast how fast was each plane flying
Click here to see answer by rfer(12670)

Question 211478: Che drove to Due's house at a rate of 40 mph. He returned by the same route at a rate of 45 mph. The driving time for the round trip was 4hrs. What is the distance Che traveled?
Click here to see answer by checkley77(12569)

Question 211554: Annie and Ashlyn are running on a straight track. They start at the same time and both from the same position X. Annie runs a steady 3 meters/second the whole way. Ashlyn starts and runs 4 meters/second for the 1st kilometer, then slows to 2 meters/second. At what distance from the start does Annie catch Ashlyn?
Click here to see answer by stanbon(57387)

Question 211767: A car moves 46 seconds in 2 miles. Find the average speed.
Click here to see answer by RAY100(1637)

Question 211767: A car moves 46 seconds in 2 miles. Find the average speed.
Click here to see answer by stanbon(57387)

Question 211516: A cyclist rode the first 11 mi of a trip at a constant rate. For the next 16 mi, the cyclist reduced the speed by 3 mph. The total time for the 27-mile trip was 3 h. Find the rate of the cyclist on the 16 mi leg of the trip.
Click here to see answer by ptaylor(2048)

Question 211826: a trains average speed is 120 kilometers per hour. its elapsed time is 2 hours. how far did it travel?
Click here to see answer by checkley77(12569)

Question 211903: Emile wants to win the 100 yard dash at the track meet. If he runs 4.9 miles per hour, how many minutes will it take him to run the race?
Click here to see answer by Fombitz(13828)

Question 211967: Two steamers leave a port on a river at the same time, traveling in opposite directions. Each is traveling 22mph. How long will it take for them to be 110 mi apart?
Click here to see answer by Alan3354(30993)

Question 212036: A plane flies 600 miles per hour. Write an expression for the distance traveled in m hours. Then find the number of miles the plane flies in 3 hours.
Click here to see answer by rfer(12670)

Question 212058: How far (in miles) would a car travel in 10 seconds at and average speed of 50 mph?
Click here to see answer by stanbon(57387)

Question 212050: A women drives her snowmoble 150 miles at the rate of r mph. She could have gone the same distance in 2 hours less time if she had increased her speed by 20 mph. Find r
Click here to see answer by stanbon(57387)

Question 212069: Russ and Janet are running. Russ runs at 7mph, Janet at 5mph. If the run has a staggered start, and Janet starts first with Russ starting 10 minutes later, how long before he catches up with her?
Click here to see answer by drj(1380)

Question 212115: Bob is making a 40-kilometer boat trip. if he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him than if he tarvels the entire trip at 20 kilometers per hour?
Click here to see answer by drj(1380)

Question 212139: In a bicycle race, Lional gives Robert a 500m advantage. Also, Lional agrees to start 15 minutes after Robert. If Lional bikes at 17km/hr and Robert at 14km/hr, how long will it take Lional after he starts biking to overtake Robert?
PLEASE HELP!!
Click here to see answer by Mr. Kong(2)

Question 212176: 2 cars are 345 miles apart and are traveling towards each other. One car is traveling at a rate of 55 miles per hour the other car is traveling at a rate of 60 miles per hour. At what time do the two cars meet?
Click here to see answer by checkley77(12569)

Question 212218: May rides her bike the same distance that Leah walks. May rides her bike 10 km/h faster than Leah walks. If it takes May 1 h and Leah 3 h to travel that distance, how fast does each travel?
Click here to see answer by josmiceli(9697)

Question 212205: Johnny leaves Memphis to visit Anne, who lives in Hornsby, TN, 80 miles away. He travels at an average speed of 50 mph. One-half hour later, Anne leaves to visit Johnny, traveling at an average speed of 60 mph. How long after Anne leaves will it be before they meet?
I have tried to work this a few ways and I know that due to Johnny's speed of 50 mph, he gets 25 miles closer to Anne in the half hour he is traveling before she starts. After that I am lost.
Click here to see answer by ankor@dixie-net.com(15660)

Question 212265: a driver collected data on how long it takes to drive to work. It took him 25 minutes and 8 trips. Please hepl with the answer.
Click here to see answer by Alan3354(30993)

Question 212317: you and your brother started biking at noon from places that are 52 miles apart. You rode toward eachother and met at 2:00 p.m. Your brother's average speed was 4 mi/h faster than your average speed. Find both speeds. So how do i begin this problem, i dont know what to do.
Click here to see answer by checkley77(12569)

Question 212456: At 55 miles per hour, how far would a car travel in 4 hours?
Click here to see answer by drj(1380)

Question 212471: Let f(x)=8x^2.
Find a value A such that the average rateof change of f(x) from 1 to A equals 88.
Click here to see answer by stanbon(57387)

Question 212469: Let f(t)=1/t. Find a value of t such that the average rate of change of f(t)
from 1 to t equals -113

Click here to see answer by RAY100(1637)

Question 212693: distance,speed, and time.
It took a crew 2 hours and 40mins. to row 6km upstream and back again. If the rate of flow of the stream was 3km/hr, what was the rowing speed of the crew in still water?
Click here to see answer by stanbon(57387)

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