On an object of mass 1 kg moving along x axis with constant speed 8 metre per sec. aA
constant force 2N is applied in positive y direction. Find its speed after 4 sec
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m=1kg
f=2N
u=8m/s
t=4s
v=?
sol:
we know that
f=ma
2=1a
a=2m/s²
from 1st eq. of motion
v=u+at
v=8+2×4
v=8+8
v=16m/s
f=2N
u=8m/s
t=4s
v=?
sol:
we know that
f=ma
2=1a
a=2m/s²
from 1st eq. of motion
v=u+at
v=8+2×4
v=8+8
v=16m/s
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