Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 250844: A car leaves the Kansas City at noon traveling west at 45 miles per hour. A second car leaves from the same location 3 hours later traveling west at 60 miles per hour. At what time will the second car catch up with the first?
Click here to see answer by drk(1908) |
Question 252581: A backpacker hiking into the wilderness area walked 9 miles at a constant rate and then reduced this rate by 1 mph. Another 4 miles was hiked at this reduced rate. The time required to hike the 4 miles was 1 hour less than the time required to walk the 9 miles. Find the rate at which the hiker walked the first 9 miles.
Click here to see answer by stanbon(57205) |
Question 252581: A backpacker hiking into the wilderness area walked 9 miles at a constant rate and then reduced this rate by 1 mph. Another 4 miles was hiked at this reduced rate. The time required to hike the 4 miles was 1 hour less than the time required to walk the 9 miles. Find the rate at which the hiker walked the first 9 miles.
Click here to see answer by drk(1908) |
Question 252581: A backpacker hiking into the wilderness area walked 9 miles at a constant rate and then reduced this rate by 1 mph. Another 4 miles was hiked at this reduced rate. The time required to hike the 4 miles was 1 hour less than the time required to walk the 9 miles. Find the rate at which the hiker walked the first 9 miles.
Click here to see answer by JimboP1977(308)  |
Question 252594: An airplane travels 260 miles per hour into a 50 mile per hour head wind. On the return trip the wind has slowed to 25 miles per hour and the plane averages 335 miles per hour. How fast would the plane have gone with no wind on either leg?
Click here to see answer by checkley77(12569) |
Question 250779: Two trains, 45 km away from each other, running on parallel railroad tracks, approach each other traveling at constant speed of 12 m/s and 18 m/s respectively. How long will it take before the trains meet?
Click here to see answer by drk(1908) |
Question 252682: It took a total of 10 hours to hike from the base of a mountain to the top and
back by the same route. Going up speed was 2 miles per hour. Going down speed was 3 miles per hour. How far from base to top?
A) 6 B) 10 C) 12 D) 14 E) 24
Click here to see answer by palanisamy(496) |
Question 252831: The height h (in feet) of a rocket as a function of the time t (in seconds) of flight is given by the following equation. Determine the times t when the rocket is on the ground.
h=50+280t-16t^2
I have set up an equation but don't know if this is right. Also, I'm not understanding what they are asking or how to solve this. Please help me. Thank you.
Click here to see answer by Alan3354(30935)  |
Question 252842: A missile is fired vertically into the air. The distance s (in feet) above the ground as a function of time t (in seconds) is given by the equation below.
(a) When will the missile hit the ground?
(b) When will the missile be 1000 feet above the ground?
h=300+500t-16t^2
I have tried several attempts at this one and nothing! Anyone willing to help, I would really appreciate it.
Click here to see answer by stanbon(57205) |
Question 252842: A missile is fired vertically into the air. The distance s (in feet) above the ground as a function of time t (in seconds) is given by the equation below.
(a) When will the missile hit the ground?
(b) When will the missile be 1000 feet above the ground?
h=300+500t-16t^2
I have tried several attempts at this one and nothing! Anyone willing to help, I would really appreciate it.
Click here to see answer by nerdybill(6948)  |
Question 252848: An air traffic control towel at an airport located in flat dessert terrain, the controller can see to the horizon. The distance d in miles that he can see from a height above ground level h (in feet) is given by the following equation. How high must the controller be to see 20 miles to the horizon? Round to the nearest foot.
D=(the sq root of 1.5h
I am not getting this problem. Would someone please help me?
Click here to see answer by stanbon(57205) |
Question 252848: An air traffic control towel at an airport located in flat dessert terrain, the controller can see to the horizon. The distance d in miles that he can see from a height above ground level h (in feet) is given by the following equation. How high must the controller be to see 20 miles to the horizon? Round to the nearest foot.
D=(the sq root of 1.5h
I am not getting this problem. Would someone please help me?
Click here to see answer by richwmiller(9132)  |
Question 252847: A plane takes off 200 miles east of its destination with a 50 mph wind from the south. If the plane’s velocity is 250 mph and its heading is always toward its destination, its path can be described by the equation below. If the location of the initial airport is (0,0) and the location of the destination airport is (200, 0), y represents the perpendicular distance from the straight line path between initial location and the destination location. When x = 150 miles, how far from the straight line path is the plane? That is, what is y?
I have tried this one about 5 times and I keep coming up with nothing. Please help!
Click here to see answer by stanbon(57205) |
Question 252843: A military jet flies directly over and at right angles to the straight-line course of a commercial jet. The military jet is flying 200 mph faster than four times the commercial jet. How fast is each going if they are 2050 miles apart (on a direct line) after 1 hour?
Please Help! I have to show my work and I keep getting lost.
Click here to see answer by richwmiller(9132)  |
Question 250533: While hovering near the top of a waterfall in a national park at 6400 feet, a helicopter pilot accidentally drops his sunglasses. The height h(t) of the sunglasses after t seconds is given by the polynomial function h(t)=-16t^2+6400. When will the sunglasses hit the ground?
The sunglasses will hit the ground after __ seconds.
Click here to see answer by dabanfield(803) |
Question 252959: A hiker can walk at an average speed of 2 mph uphill and 6 mph downhill. Suppose he takes a hike on a mountain road which goes only uphill or downhill. What will be his average speed for such a trip, assuming he finishes at the level he started?
Click here to see answer by drk(1908) |
Question 252965: A trackwalker was walking through a tunnel when he heard the train was coming. Looking at the markers inside the tunnel, he realized that he was 2/5 of the distance from one end of the tunnel, and 3/5 of the distance from the other end. If he runs as fast as he can toward either end, he will escape from the tunnel. If the train is moving at 60 mph, how fast can the trackwalker run?
Click here to see answer by richwmiller(9132)  |
Question 252992: A truck traveling at a constant rate of 45 miles per hour leaves Albany. One hour later a car traveling at a constant rate of 60 miles per hour also leaves Albany traveling in the same direction on the same highway. How long will it take for the car to catch up to the truck, if both vehicles continue in the same direction on the highway?
Click here to see answer by ptaylor(2048)  |
Question 252992: A truck traveling at a constant rate of 45 miles per hour leaves Albany. One hour later a car traveling at a constant rate of 60 miles per hour also leaves Albany traveling in the same direction on the same highway. How long will it take for the car to catch up to the truck, if both vehicles continue in the same direction on the highway?
Click here to see answer by Alan3354(30935)  |
Question 253024: A cow is tied up to the long side of a barn 10 feet away from the corner. The rope being tied to the barn is 21 feet long. the barn is 11 feet wide and 28 feet long. what is the total area of the space in which the cow may graze.
hello. please if you answer this explain it because i think ill be having to do these questions alot.
thank you
Click here to see answer by Alan3354(30935)  |
Question 253024: A cow is tied up to the long side of a barn 10 feet away from the corner. The rope being tied to the barn is 21 feet long. the barn is 11 feet wide and 28 feet long. what is the total area of the space in which the cow may graze.
hello. please if you answer this explain it because i think ill be having to do these questions alot.
thank you
Click here to see answer by ankor@dixie-net.com(15622)  |
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