Length + motion problems - math problems

Number of problems found: 177

  • The tourist
    The tourist will cross a 5 km long section in 3 hours. Part of the journey goes at a speed of 0.8 m/s and the other part at a speed of 0.4 m/s. Find the length of the first and second part of the journey.
  • Tunnel
    Kubo sits on a train speeding at 108 km/h. At that moment, the train entered the tunnel, which according to Kub's book is 2 km long. Kubo noticed that the end of the train had left the tunnel 75 seconds later than the locomotive had entered the tunnel. Wh
  • The train
    The train starts for 2 min with an acceleration of 25 cm/s2. What speed will he gain in this time and what path will he pass?
  • A giraffe
    A giraffe can run up to 46.93 feet per second. How far could a giraffe run in 1.8 seconds?
  • Katrina
    Katrina runs 4.23 miles each day. How many miles does she run in 2 weeks?
  • A plane
    A plane is flying at the rate of 350 mph after an eight hour flight is at its destination how far did the plane fly?
  • A missile
    A missile is fired with a speed of 100 fps in a direction 30° above the horizontal. Determine the maximum height to which it rises? Fps foot per second.
  • On day
    On day one of the trip they drove 1/4 of the total distance. On day two they drove 1/2 of the total distance. What fraction of the total distance is left to travel?
  • Three days way
    The tourist walked a quarter of the way on the first day, a third of the rest on the second day and 20 km on the last day. How many km did he cover in three days?
  • Aircraft bearing
    Two aircraft will depart from the airport simultaneously, the first with a course of 30° and the second with a course of 86°. Both fly at 330 km/h. How far apart will they be in 45 minutes of flight?
  • Long hot dog
    In Kostelec above Black Forest, they made a record-long hot dog. When slowly moved it to the square, one of the spectators decided to measure its length: the size of his footprint is 28 cm; he measured 20 feet in travel direction, counted 5 feet against t
  • Two cars
    Two cars, spaced d1 = 500 m apart, start moving against each other at time t1 = 0, the first car with acceleration a1 = 4 m/s ^ 2 and the second with acceleration a2 = 6 m/s ^ 2. At what time t2 do they meet? What distances s1 and s2 will they move from t
  • Cindy run
    Suppose it takes 1/3 of an hour for Cindy to run 3/5 of a mile. How many miles does she run in 1 hour?
  • Škoda cars
    At 8:30 am, Škoda 120 started from Prievidza at 60 km/h in the direction of Bratislava. At 9:00 started from Prievidza at the same direction Škoda Rapid at 90 km/h. Where and when will Škoda Rapid catch up Skoda 120?
  • The stadion
    John can ran around a circular track in 20 seconds and Eddie in 30 seconds. Two seconds after Eddie starts, John starts from the same place in opposite direction. When will they meet?
  • Earth rotation
    How fast is the place on the Earth's equator moving if the Earth's radius is 6378 km?
  • Athletic oval
    On the 400 m athletic oval, two athletes started back to back from the same level. After the starting shot, they both ran away from each other at the same time. Athlete A ran at 15 km/h, and Athlete B ran at 17 km/h. A) in how many seconds did the athlete
  • A bus
    A bus is scheduled to travel a distance 121 km in 2 3/4 hours. What average rate of speed must be maintained to arrive on schedule?
  • Double-track line
    A 160 m long passenger train runs on a double-track line in one direction at a constant speed of 54 km/h, and a 240 m long express train in the opposite direction. a) How fast is the express train if passing the passenger train driver for 6 s? b) How long
  • Grandma
    We're going to Grandma's. We still have 24 km left. How far does Grandma live if we have traveled from the total distance: half, a third, a fifth?

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