1.

velocityOP-anin a planobiect othe oisNos(-ㄙayesihe with a cons tant

Answer»

Using equation of motion:

V = u + at

we haveWriting the equation of motion in vector form.a =(3i+8j) m/s2

v=-4j + (3i+ 8j)1 as u = -4j m/s and t=1 sec

or , v= 3i+ 4j

​so final velocity = (32+ 42)1/2= 5m/s



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