A body is moving along a straight line at 20 m per second undergoes an acceleration of 4 metre per second square. after 2 second its speed will be what......?????
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Answered by
3
we know, u=20m/s
v=?
a=4m/s²
t=2sec
we know, v=u+at
so, v=20+4x2=28m/s
v=?
a=4m/s²
t=2sec
we know, v=u+at
so, v=20+4x2=28m/s
Answered by
2
hey mate,your answer is 28m/s
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