physics

A toy train is on a track which has a circumference of 10 meters. The train takes 20 seconds to complete one revolution around the
track.

  1. 👍 0
  2. 👎 0
  3. 👁 181
  1. You posted this question twice.

    They tell you how far it travels in 20 seconds. Divide the circumference by that time to get the speed.

    The average velocity will depend upon the time interval of the measurement. For any multiple of 20 seconds, you end up on the same place. That should be a clue.

    1. 👍 0
    2. 👎 0
    posted by drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    A toy train is on a track which has a circumference of 10 meters. The train takes 20 seconds to complete one revolution around the track.what is it's average speed? average velocity?

    asked by Anonymous on December 10, 2010
  2. physics

    A toy train track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis (see the figure). A toy train of mass m = 2.5 kg is placed on the track and, with the system initially at rest, the

    asked by Emily on November 9, 2009
  3. Physics

    Some how TRAIN A travelling at 36 m/s, is accidentally sidetracked onto the train track for TRAIN A. The TRAIN A engineer spots TRAIN A 100 m ahead on the same track and travelling in the same direction. The engineer jams on the

    asked by Taylor on January 14, 2011
  4. physics

    1)A toy train is initially at rest on a track fastened to a bicycle wheel, which is free to rotate. How does the wheel respond when the train moves clockwise? When the train backs up? Does the angular momentum of the wheel-train

    asked by Confused on July 9, 2010
  5. math

    Sean has 8-inch pieces of toy train track and Ruth has 18-inches of train track. How many of each piece would each child need to build tracks that are equal in length?

    asked by Anonymous on November 30, 2014
  6. Physics

    A 1.11 kg toy train rolls around a circular horizontal track. If the train has an angular acceleration of -2.2 rads/s2 and is released with an angular speed of 17.0 rpm, what time is required for the train to come to a complete

    asked by Tom on October 22, 2016
  7. Physics

    A 1.96 kg toy train rolls around a circular horizontal track. If the train has an angular acceleration of -1.95 rads/s2 and is released with an angular speed of 33.0 rpm, what time is required for the train to come to a complete

    asked by Anonymous on October 24, 2016
  8. algebra

    tains A and train B are travling in the same dicrtion on a parral track train A is traving 60 mph and train B is traviling 70 mph train A passes a staion at 11.15 am and train B passes the same station at 11.45 am at what time

    asked by me on January 24, 2010
  9. advanced physics

    A toy roller coaster contains a loop of radiusR. A toy train, which consistsof a lot of small waggons is moving towards the loop with constant velocity. The lengthof the train isL >2Rπ, and the radius of the loop is much larger

    asked by michel on May 22, 2015
  10. Physics

    A track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis. A toy train of mass m = 0.140 is placed on the track and, with the system initially at rest, the train's electrical power is

    asked by Josh on January 16, 2014

More Similar Questions