With an average acceleration of -2.4 m/s2, how long will it take a cyclist to bring a bicycle with an initial speed of 13.2 m/s

Question

Luba_88 [7]

4 years ago

3

With an average acceleration of -2.4 m/s2, how long will it take a cyclist to bring a bicycle with an initial speed of 13.2 m/s

to a complete stop? Answer in units of s.

Physics

1 answer:

vovikov84 [41] · Answer 1 · 2022-01-03T05:10:11+03:00

vovikov84 [41]4 years ago

4 0

If his speed (<em>decreases by 2.4 meters per second every second</em>)**, then
his speed will be zero in (13.2 / 2.4) = 5.5 seconds.

** That's the meaning of "acceleration of -2.4 m/s² " .