A runner ran a 400 m race in 1 min 35 sec. Calculate his average speed in m/sec.​

Question

A runner ran a 400 m race in 1 min 35 sec. Calculate his average speed in m/sec.​

in progress 0
Lệ Thu 6 months 2021-07-16T09:26:03+00:00 1 Answers 6 views 0

Answers ( )

  1. niczorrrr
    0
    2021-07-16T09:27:53+00:00
    Reply

    1 minute = 60 seconds

    1 minute 35 seconds = 60 + 25 = 95 seconds

    Speed = 400 meters / 95 seconds

    Speed = 4.21 meters / second

Leave an answer

Browse

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