Physics, asked by arundhutiSPHS8092, 8 months ago

A body of mass 2 kg intially at rest on a smooth horizontal surface,gets acted by a constant force of 8N Find time taken in seconds by the body to move through distance of 18m

Answers

Answered by DRACOPEGASUS
0

Answer:

m=2kg

u=0

f=8N

s=18m

t=?

from newton's second law,

f=ma

a=f/m

a=8/2

a=4m^2/s

from kinematic equation,

s=ut +1/2at^2

s=1/2at^2 (u=0)

18=1/2 (4) t^2

t^2=9

t=√9

t=3 s

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