A particle of mass m moves from rest under the action of constant force F which acts for two seconds. The maximum power attained is
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power =work/time
initial velocity=0m/s
mass of the body= m
time =2secs
let's it final velocity be v
v=0+2a
a=v/2
force=m*a
f=m*v/2
f=mv/2
s=ut+at/2
s=0+v/2*2/2
s=v/2
work=force*displacement
w=mv/2*v/2
w=mv*v/4
power=work/time
p=mv*v/4/2
p=mv*v/2
initial velocity=0m/s
mass of the body= m
time =2secs
let's it final velocity be v
v=0+2a
a=v/2
force=m*a
f=m*v/2
f=mv/2
s=ut+at/2
s=0+v/2*2/2
s=v/2
work=force*displacement
w=mv/2*v/2
w=mv*v/4
power=work/time
p=mv*v/4/2
p=mv*v/2
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