Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 402921: The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the speed. If 242 lb. of force keeps a 2000-lb. car from skidding on a curve of radius 500 ft. at 30 mph, what force would keep the same car from skidding on a curve of radius 750ft. at 50mph?
Any help would be Great! Thanks
Click here to see answer by scott8148(6628)  |
Question 402978: Wendy took a trip from city A to city B, a distance of 350 mi. She traveled part of the way by bus, which arrived at the train station just in time for Wendy to complete her journey by train. The bus averaged 40 mi/h, and the train averaged 105 mi/h. The entire trip took 5.5 hours.How long did Wendy spend on the train?
Click here to see answer by solver91311(16870)  |
Question 402959: jim williamson began a 96 mile bike trip to build up stanima for a triathlete competition. unfortunately his bike chain broke so he finished the tip walking. the whole trip took 6 hours if jim walks at a rate of 4 miles per hour and bikes at the rate of 20 mph find the amount of time he spent on the bike. ??
Click here to see answer by ankor@dixie-net.com(15639)  |
Question 403213: Here is another one I would need help with:
Kevin was swimming agains the current, it took him 8 min. to swim 200 meters. Swimming back with the current took half as long. What is his average swimming speed and the speed of the current?
Thank you for your help
Click here to see answer by josmiceli(9661)  |
Question 403195: The problem is:
Someone paddled upstream at 2mi/h relative to the riverbank. Returning downstream with the current, the speed was 3mi/h.
Find the paddling speed in still water, and the speed of the rivers current.
Could you please help me with this one?
Thank you
Click here to see answer by rvquartz(19)  |
Question 403542: A young man is walking towards the front of a bus at a speed of 2 m/s. What is his speed with respect to the ground when the bus speed is 30 m/s? What is his speed relative to the ground if he is walking towards the back of the bus at 2 m/s?
Am I on the right track?
question one:30m/s + 2 m/s= 32m/s
question two: 30m/s-2m/s=28 m/s divided by the Earth's speed relative to the sun which is 3 m/s.
Click here to see answer by Alan3354(30983)  |
Question 158128: A woman driving a car 14 ft long is passing a truck 30 ft long. The truck is traveling at 50 mi/h. How fast must the woman drive her car so that she can pass the truck completely in 6 s, from the position shown in figure (A) to the position shown in figure (B)?
(A)
---CARI --->
---------I
---------IT-R-U-C-K -->
---------I
(B)
-------------I
-------------ICAR -->
-------------I
T-R-U-C-KI --->
Click here to see answer by cattycassie77(2) |
Question 403605: during one year the larson's real estate bill included $525 for local schools. Of this amount $120 went to the high school district. What percent did the Larsons pay to the high school district?Round your answer to two decimals places.
Click here to see answer by rfer(12647) |
Question 403524: billy and miranda are training at the track. billy can complete a lap in 40 seconds. miranda and billy begin at the same start/finish line and at the same time, but run in opposite directions. Although different, their individual speeds remain constant and they pass each other every 15 seconds. miranda stops after finishing 12 laps. billy continues to run at the same rate.
-my task is to determine how many times miranda and billy passed each other exactly at the start/finish line during the time they were both running and how many more minutes and seconds and exactly how many morelaps billy will need to run to have run exactly the same distance that miranda ran.
*i tried to draw a diagram and i had miranda run the 12 laps and during those 12 laps i marked evert 15 seconds where they met, however i got diferent answers everytime i tried.
Click here to see answer by ankor@dixie-net.com(15639)  |
Question 403353: Hello again thank you for the help. Here is my question:
According to Froude's Law, the speed at which an aquatic animal can swim is proportional to the square root of its lenght.
a. if a 75-foot blue whale can swim at a maximum speed of 20 knots, write a function that relates its speed(s) as a function of its lenght (1)
b. How fast would a similar 60-ft long blue whale be able to swim?
Click here to see answer by robertb(4012)  |
Question 403672: A passenger jet travels from Los Angeles to Bombay, India, in 22h. The return flight takes 17 h. The difference in flight times is caused by winds over the Pacific Ocean that blow primarily from west to east. If the jet's average speed in still air is 550 mi/h what is the average speed of the wind during the round trip flight? Round to the nearest mile per hour. Is your answer reasonable?
Click here to see answer by ankor@dixie-net.com(15639)  |
Question 404228: A ball is thrown vertically upward. After t seconds its height h (in feet) is given by the function h(t)=104t-16t^2. What is the maximum height that the ball will reach? Do not round answer.
Click here to see answer by chawki(6)  |
Question 404271: Distance and time: Two athletes are jogging in the same direction along an exercise path. After x minutes the first athletes distance in miles from a parking lot is given by 1/6x and the second athletes distance is given by 1/8x + 2.
(a) When are the athletes the same distance from the parking lot?
(b) When is the first athlete farther away from the parking lot than the second?
Click here to see answer by ankor@dixie-net.com(15639)  |
Question 404393: A ball is thrown upward from ground level with an initial velocity of 108 ft per sec. Its height h in feet after t seconds is given by the equation h=-16t(squared)+108t.
At what time will the ball hit the ground?
Click here to see answer by nerdybill(6951)  |
Question 404438: Hi. I need help with a word problem please. One plane flys 20mph faster than another plane. One planes goes 255 miles and the other 285miles. How fast was each plane flying? Thanks so much for your help! My email address is rmillsfamily@comcast.net
Click here to see answer by scott8148(6628)  |
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