Question

if the unit of force ,energy,and velocity are 20n ,200j and 5m per s ,find the units of mass ,length and time

Answer 1

F = Ma = 20N
E = 1/2Mv² = 200j
V = 5m/sec

from 2
M = √200×2
M = 20Kg
a = 20/20
= 1m/sec²

v= u+at
t = v/a
5/1
= 5sec

v²/2a = s
25/2×1
s = 12.5 m

hope this helps.:)