Time + motion problems - math problems

Number of problems found: 246

  • Up and down motion
    ballistic We throw the body from a height h = 5 m above the Earth vertically upwards v0 = 10 m/s. How long before we have to let the second body fall freely from the same height to hit the Earth at the same time?
  • Constant motion
    car_36 The car has undergone constant motion 120 km in 1 hour 30 minutes. Determine its average speed. Determine how long car drove in the first 20 minutes and 50 minutes from the start of the move.
  • Cars motion
    AB From point A car start at the speed of 90 km/h. Against it departs from the point B at the same time another car at 60 km/h. For how long and where they met if the distance between A and B is 180 km?
  • Thunderstorm
    storm-012_1 The sound travels 1 km in about 3 seconds. How far is the storm if there is a time interval of 8 seconds between lightning and thunder?
  • Motion 2
    motion2 At 10 o'clock started from place A car speed at 90 km/h. 20 minutes after started from the place B at speed 60 km/h another car. Distance places A and B is 120 kilometers. What time and where they meet?
  • The position
    motion2_3 The position of a body at any time T is given by the displacement function S=t3-2t2-4t-8. Find its acceleration at each instant time when the velocity is zero.
  • Fast tourists
    tourist_1 If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists?
  • Rocket start
    freefall1 The body launched vertically up returns to the start site in 6 seconds. What height did it have?
  • Car
    formula Car is going 95 km per hour. How long distance goes in 1 minute?
  • The car
    car The car travels at a speed of 70 km/h, what distance will it travel in 2 hours?
  • Free fall
    volny_pad_2_ap The free fall body has gone 10m in the last 0.5s. Find the body speed at the moment of impact.
  • Motion
    graf_pohyb The two bodies move in the same direction evenly in a straight line, at speeds of 5 cm/s and 10 cm/s. The movement of the first body started 2 seconds earlier than the movement of the second body, from a point located at a distance of 20 cm from the start
  • Bob traveled
    house_3 Bob traveled 20 meters to Dave's house. He arrived in 3 minutes. What was his average speed for the trip.
  • Earth rotation
    earth_1 How fast is the place on the Earth's equator moving if the Earth's radius is 6378 km?
  • Friends
    country Five mates traveled and the journey they lasted 195 minutes. How long would travel only one of them?
  • Two ships
    ship Two ships sailed from Venice - a cargo speed of 10 knots and a ferry speed of 18 knots. At what time will the ferry catch up with the cargo ship if it sailed 10 hours later?
  • RPM
    motor_rpm An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
  • Cyclist 12
    cyclist What is the average speed of a cycle traveling at 20 km in 60 minutes in km/h?
  • Speed of car
    car In 2 hours 40 mins, a car travels 100km. At what speed is the car traveling?
  • Ping time
    fibre Calculate theoretical ping time between Orlando and Shenzhen which is 14102 km distant. Ping time measures the round-trip time for small messages sent from the origin to a destination that is echoed back to the source. The name comes from active sonar ter

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