JA body travelling with uniform acceleration crosses two
points A and B with velocities 20 m/s and 30 m/s
respectively. The speed of the body at mid-point of A and B
is
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Explanation:
- v=√u square+√v square divided by√2
- v= √20 square+√30square divided by√2
- v =400 +900/1.4
- because √2=1.4
- √1300/1.4
- 36/1.4
- =25.7
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