How long would it take Jesse with an acceleration of -2.50 m/s^2 to bring his bicycle with an initial velocity of 13.5 m/s to a complete sto

Question

How long would it take Jesse with an acceleration of -2.50 m/s^2 to bring his bicycle with an initial velocity of 13.5 m/s to a complete stop?
a.6.1 s
b.3.7 s
c.12.1 s
D.5.4 s

in progress 0
Dâu 4 years 2021-07-13T00:39:34+00:00 2 Answers 215 views 0

Answers ( )

  1. hongcuc2
    0
    2021-07-13T00:40:40+00:00
    Reply

    Answer:

    use first equation of motion v=u+at..v is 0..since we have to take him to rest and u is 13.5

  2. Dulcie
    0
    2021-07-13T00:40:56+00:00
    Reply

    Explanation:

    u = 13.5 m/s

    a = – 2.5 m/s^2

    v = u + at

    0 = 13.5 – 2.5 * t

    t (time to reach a complete halt) = 5.4 sec

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )