Physics, asked by fenny3169, 1 year ago

how many minutes does aditya take to run 400 m if he runs at speed pf 20km/hr

Answers

Answered by prem217
0
12 minutes will take time to run 400m
Answered by Rosedowson
0
Hi..

S=400m
V=20km/hr=20×5/18=5.55m/s=6m/s
T=?...

By using
(V)^2=(u)^2+2as
(6)^2=2×400×a.
36=800×a
Thus a=36/800=0.04m/s^2.

By using..

s= ut+1/2 at^2
400=0+0.04×t^2
T^2=400/0.04
T=root 10,000=100sec..




Hope this helps u!!

Rosedowson: Pls mark d brainliest!
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