Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 662142: A man is travelling at speed x to town, 240km from home, he calculates that if his speed is increased by 10km/h then he will take 48 minutes less time to complete the journey. what will be his original speed?
Click here to see answer by ewatrrr(24785)  |
Question 662272: A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 40 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 40 mph. At what time will the trains meet?
Click here to see answer by ewatrrr(24785)  |
Question 662297: Park rangers catch, tag, and release 200 tule elk back into a wildlife refuge. Two weeks later they observe a sample a sample of 150 elk, of which 5 were tagged. Assuming that the ratio of tagged elk in the sample holds for all elk in the refuge, how many elk are there in the park?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 662292: Felipe jogs for 9 miles and then walks another 9 miles. He jogs 4.5
miles per hour faster than he walks, and the entire distance of 18 miles takes 3 hours. Find the rate at which he walks and the rate at which he jogs.
Click here to see answer by josmiceli(19441)  |
Question 662247: A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 60 in 10 seconds. When she runs with the sidewalk's motion, she travels the same distance in 5 seconds. What is the rate of the child on a still sidewalk and what is the rate of the moving sidewalk?
Click here to see answer by lwsshak3(11628) |
Question 662380: Hi. I need help with this word problem.
Samantha rides the ski lift to the top of blue mountain, a distance of 1 3/4 kilometers. She then skis directly down the slope. If she skis 5 times as fast as the lift travels, and the total trip takes 45 minutes, find the rate at which she skis.
Thanks
Click here to see answer by josmiceli(19441)  |
Question 662409: The distance between David's home and Alex's home is 19km. Both David and Alex head towards each others home at 9:00 am. David is walking at the speed of 5kmph where Alex's speed is 8kmph. At what distance from their house they will meet each other?
Click here to see answer by josmiceli(19441)  |
Question 662379: Hi. I need help with this word problem.
Samantha rides the ski lift to the top of blue mountain, a distance of 1 3/4 kilometers. She then skis directly down the slope. If she skis 5 times as fast as the lift travels, and the total trip takes 45 minutes, find the rate at which she skis.
Thanks
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 662433: The highway roads intersect at right angle. A car is 12 kilometers from the intersection at the same time that a truck is 5 kilometers from the same point. If the car is twice as fast as the truck, at what time will they be 5 kilometers apart?
Click here to see answer by Alan3354(69443)  |
Question 662387: 1. If you take a car moving at constant velocity of 40 km/hr towards east for three hours them turn right towards north and continues traveling at same speed for two hours and suddenly stops. At this moment, how far are you from your point of origin?
2. A 200 ladder is leaning against 25 ft. vertical wall. If the foot of the ladder makes a 75 degree angle with horizontal ground, how far are the tips of the ladder from the top edge of the wall?
3. A boy standing in front of a cliff claps his hands ad 2.50 seconds later he hears an echo. How far away is the cliff if sounds travel at 343 m/sec?
4. A motorbike has an initial velocity of 20 m and accelerates at -1.0m/sec?
4a Finds its velocity after 10 seconds
4b What its displacement after 10 seconds
4c give its velocity after 30 seconds
5. A 10 kg block of wood is at rest on a level concrete floor?
5a What will happen if horizontal force of 50N is applied to the block?
5b What is the minimum horizontal force needed to keep to start the block moving if coefficient of static friction is = 0.5
5C What is the minimum horizontal force needed to keep the block in motion at constant speed if coefficient of kinetic friction is =0.4?
6. A 70 kg man is fired from a compressed air canon and emerged from the 20 m barrel at 40 m/second, Using Newton's Second Law, find the average force o him durig the firing of the cannon.(start by finding the acceleration with the Formula V1 =V2o +2 ax and then F=ma
7. Compare the potential energy of a 1,500 kg car of the top at a hill 50 m high with its kinetic energy when moving at 100 km/hr?
8.A 4.5 kg rifle fires a 10 g bullet with a velocity of 1000 m/sec. What is the recoil velocity of the riffle?
Click here to see answer by KMST(5328)  |
Question 662501: Jeremiah can kayak downstream a distance of 21 kilometers in 3 hours. Going upstream, he can kayak a distance of only 24 kilometers in 4 hours. How fast could Jeremiah kayak in still water (if there were no current)?
Click here to see answer by stanbon(75887) |
Question 662501: Jeremiah can kayak downstream a distance of 21 kilometers in 3 hours. Going upstream, he can kayak a distance of only 24 kilometers in 4 hours. How fast could Jeremiah kayak in still water (if there were no current)?
Click here to see answer by Alan3354(69443)  |
Question 663197: Jesse rents a moving van for $75 and must pay $2 per mile. The following week, Alex rents the same van, is charged $80 for the rental and $1.50 per mile. If they each paid the same amount and drove the same number of miles, how far did they each travel?
Click here to see answer by josmiceli(19441)  |
Question 663260: Two cars leave the same location at the same time heading in opposite dielrections. The first car is traveling at the rate of 96mph with the second is traveling at the rate of 84mph. In how many hours will they be 500 miles apart?
I've triend setting it up I just don't get how. I know how to slove it once it is set up. I just don't understand how to set up the equation.
Please help me? Thankyouuu!
Click here to see answer by lwsshak3(11628) |
Question 663295: a pyrotechniccian plans two fireworks to explode explode together at the same height in the air. they travel at 220 f/s and 200 f/s. the second firework is luanched 0.s5 seconds before the other one. how many seconds after will both fire works explode?
Click here to see answer by vleith(2983) |
Question 663631: Two trains set off at the same time from each end of a single straight railway line, which is 100km long. The first train travels at a constant speed of 55km/hour. the second train travels at a constant speed of 70km/hr. A very fast fly, Fred, travels at 100km/hr. Fred starts off in front of the first train and flys continuously back and forth between the two trains. How far does Fred fly before he is squashed between the two trains?
Click here to see answer by mananth(16946)  |
Question 663630: Two trains set off at the same time from each end of a single straight railway line, which is 100km long. The first train travels at a constant speed of 55km/hour. the second train travels at a constant speed of 70km/hr. A very fast fly, Fred, travels at 100km/hr. Fred starts off in front of the first train and flys continuously back and forth between the two trains. How far does Fred fly before he is squashed between the two trains?
Click here to see answer by mananth(16946)  |
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