Physics

posted by .

(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located 1030 m apart, what is the maximum speed a subway train can attain between stations?

b)what is the travel time between stations?

c)If a subway train stops for 20 s at each station, what is the maximum average speed of the train, from one start-up to the next?

  • Physics -

    a) it can accelerlerate half way, and deacceleralte halfway.
    Vf^2=2ad solve for Vf, then avg velocity is half that, so time=1030/(Vf/2)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. English

    One day Minsu and Cathy were on the subway. The subway stopped. An old couple got in. (In the passage, is 'subway' used properly?
  2. physics

    (a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located 1030 m apart, what is the maximum speed a subway train can attain between stations?
  3. Physics

    A subway train is designed with a maximum acceleration of ±0.637 m/s2 , which allows for both passenger safety and comfort. (a) If subway stations are 8.6 km apart, what is the maximum velocity that can be obtained between stations?
  4. PHYSICS help!!!!!!

    A commuter train travels between two downtown stations. Because the stations are only 1.36 km apart, the train never reaches its maximum possible cruising speed. During rush hour the engineer minimizes the travel time t between the …
  5. physics

    In the movie Spiderman 2, there's a famous minute long scene where Spiderman stops a train. If the initial speed of a five car out of control subway train was around the top speed of the NYC subway (27 m/s), and Spiderman stopped the …
  6. physics

    In the movie Spiderman 2, there's a famous minute long scene where Spiderman stops a train. If the initial speed of a five car out of control subway train was around the top speed of the NYC subway (27 m/s), and Spiderman stopped the …
  7. Calculus Help

    A high-speed bullet train accelerates and decelerates at the rate of 4 ft/s2. Its maximum cruising speed is 90 mi/h. (Round your answers to three decimal places.) (a) What is the maximum distance the train can travel if it accelerates …
  8. physics

    A subway accelerate gradually (a= 1.2 m/s/s) from rest at one station until it is halfway to the next station and then decelerates gradually (a=-1.2 m/s/s) for the final half of the trip until it comes to rest. The two stations 1100 …
  9. English

    1. She was entering the subway. At that thie, the dog felt that his old master is near. "On the subway", he barked loudly. People sitting on their seats were surprised. (Is the expression in the quotation marks correct?
  10. English

    Thank you for your help. Here goes some more questions related to 'subway' 1. You should be quiet in the subway. 2. You should be quiet on the subway. 3. You should be quiet on the train. ------------------ #1 means: You should be …

More Similar Questions