Çözüldü Instantaneous Velocity

Konusu 'TOEFL - IELTS - SAT - ACT - GRE - GMAT Hazırlık' forumundadır ve Honore tarafından 6 Ağustos 2021 başlatılmıştır.

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  1. Honore

    Honore Yönetici Yönetici

    Which of the following sentences contains an example of instantaneous velocity?
    A) “The car covered 500 kilometers in the first 10 hours of its northward journey.”
    B) “Five seconds into the launch, the rocket was shooting upward at 5000 meters per second.”
    C) “The cheetah can run at 70 miles per hour.”
    D) “Moving at five kilometers per hour, it will take us eight hours to get to the base camp.”
    E) “Roger Bannister was the first person to run one mile in less than four minutes.”


    Solution:
    Instantaneous velocity has a magnitude and a direction, and deals with the velocity at a particular instant in time. All three of these requirements are met only in B . A is an example of average velocity, C is an example of instantaneous speed, and both D and E are examples of average speed.

    https://www.worldwisetutoring.com/wp-content/uploads/2015/07/SAT-II-Physics-guide-book.pdf
    (Pages 53 - 54)

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