a force of 1 N is applied on a body of mass 500 gram at rest . find time required by the body to travel 1 Km
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force F=1N
mass m=500g=500/1000=0.5kg
F=mass x acceleration
a=1/0.5 [a is the acceleration ]
a=2m/s^2
time required to travel 1km is given by
S=ut+1/2at^2 [S is the distance travelled by using Newton law of motion ]
1000=0+1/2(2xt^2) [1km=1000m and u is initial velocity =0 since it starts from rest ]
t^2=1000
t=31.62sec.
I hope this will help you.
mass m=500g=500/1000=0.5kg
F=mass x acceleration
a=1/0.5 [a is the acceleration ]
a=2m/s^2
time required to travel 1km is given by
S=ut+1/2at^2 [S is the distance travelled by using Newton law of motion ]
1000=0+1/2(2xt^2) [1km=1000m and u is initial velocity =0 since it starts from rest ]
t^2=1000
t=31.62sec.
I hope this will help you.
mawbleiwelldone:
you're welcome.
i'm also getting the same answer but i'm confused whether it is correct or not
you can verify your answer by putting the value that you get in that equation
okey thank you
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