Question

Please answer following question

Answer 1

2)

S=ut+21at2 becomes,

S=u(av−u)+21a(av−u)2

⇒2aS=2u(v−u)+(v−u)2

⇒2aS=2uv−2u2−v2−2uv−u2

⇒2aS=v2−u2

⇒v2=u2+2aS

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Answer 2

Answer:

these are the answer