Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 689344: Two cars leave an intersection at the same time. One car is headed north at the rate of 1 Km/min while the other is headed east at the rate of 2.4 Km/min. What is the direct distance between the two cars, in kilometers, 5 minutes after the cars left the intersection?
Click here to see answer by Alan3354(69443)  |
Question 689363: it takes for an object to fall d meters when thrown at a velocity of 9.5 meters per second. Supposed a rock is thrown down from a spot on the Chesapeake Bay Bridge in Maryland, If it takes 5.1 sec for the rock to hit the water, how hihg is the bridge at this point?
Click here to see answer by Alan3354(69443)  |
Question 689769: "A car leaves Berlin on the autobahn at 60 mph. How long will it take a second car traveling at 90 mph to catch the first car if it leaves 2 hours later?"
This doesn't seem like a distance problem -- it's more time-related, but I wasn't sure what category to put it in. I hope this isn't a problem.
Anyway, here's what I tried:
60(x) = 90(120 + x)
60x = 10,800 + 90x
-30x = 10,800
..and that's where I stopped! I got a little put off by the negative sign. This can't be right, can it? Thanks in advance!
Click here to see answer by solver91311(24713)  |
Question 689771: I need help with this word problem please. How far will you travel if you run for 10 minutes at 2 meters per second? Here is my work so far...
2 m over 1 sec X 60 sec over 1 min = 2(60) over 1 = 120 m/min
2 m over 1 sec x 60 sec over 1 min x 10 cm over 1 m
Click here to see answer by solver91311(24713)  |
Question 690101: Two cyclists start toward each other from points 25 miles apart. Cyclist No. 1 travels 15 mph, while Cyclist No. 2 travels to 10 mph. A trained bird leaves the shoulder of cyclist No. 1 and travels to the shoulder of Cyslist No.2 and forth until the cyclists meet. If the bird flies at 40 mph, how far will the bird fly?
Click here to see answer by solver91311(24713)  |
Question 689652: Patricia flew a small airplane for 3 hours with the wind and traveled 585km. The return trip against the wind took 5 hours. Find the rate at which she flew in still air.
What I have tried and failed:
3(r+w)=585 --> 3r+3w=585
5(r-w)=585 --> 5r-5w=585
15r+15w=2925 15r=8775
15r-15w=1755 r=585 3(585)+3w=585
1755+3w=585
-1755 -1755 <--- I figured this was wrong
because it was negative..
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 690729: You run at a rate of 4 miles per hour and your friend runs at a rate of 3.5 miles per hour. Your friend starts running 10 minutes before you, and you run for a half hour on the same path. Will you catch up to your friend? Use a graph to support your answer.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 690959: Train A, is 10 meters from the station and is traveling at the rate of 5 meters per minute. Train B, started at the station and is traveling at the rate of 8 meters per minute. How much time will pass until they are in the same place? And explain why your answer is reasonable.
Click here to see answer by stanbon(75887) |
Question 691186: At 6:00 A.M., two trains leave from points 480 miles apart. The trains are moving toward each other on parallel tracks. One train is travelling at 80 miles per hour, and the other train is traveling at 60 miles per hour. What time will it be when the trains pass each other
Click here to see answer by checkley79(3341) |
Question 691166: Betty works in regional shipping. She has to calculate when a load will arrive at its destination. She knows that the ship travels at 15 mph when under load and 20 mph when empty. The ship leaves the port empty at 12:00 PM and arrives at its destination at 3:00 PM. It takes an hour to fully load the ship and depart back to the originating port. What time will the fully loaded ship return to the originating port?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 691299: I need help with this problem: Chris bikes a steady speed of 9 feet/second. Mark bikes a steady speed of 12 feet/second. If Chris gets a 75 second head start, how many feet will Mark have to bike until he catches up to Chris? Type your answer as a decimal rounded to the nearest hundredth. --- I know how to start it with the equation chris: 9(timechris)= distance and mark: 12 (time mark)= d and then I get lost. Not sure if someone can help me or not, but I sure hope so!Thanks in advance!
Click here to see answer by MathTherapy(10549)  |
Question 691969: I REALLY really need your help on this problem; the homework that this is on is due tomorrow and I have absolutely NO clue on where to start.
'You are riding in car 1 and your best friend is riding car 2. Both cars leave from your house and are heading to a birthday party 100 miles away. Both cars are wired with distance bombs. If the bombs get more than 30 miles apart, they will explode. If the cars continue at the rate the are going (car 1 is 60 miles per hour, car 2 is 40 miles per hour), will you and your friend make it to the party??'
Thank you so much to whomever solves this/ helps me on this!! :)
Click here to see answer by josmiceli(19441)  |
Question 692018: please help me with this problem. a motorboat with the current went 54mi in 3 hours. against the current, it took 3.6 hours to travel the same distance. find the rate of the boat in calm water and the rate of the current.
Click here to see answer by KMST(5328)  |
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