Question

hey friends! Can u answer this?​

Answer 1

Avg. velocity=(v+u)/2

20m/s=(25 m/s+u)/2

40 m/s = 25 m/s+u

u=15 m/s

now,

v^2=u^2+2as

400=225+2×a×100

175=200a

a=7/8 m/s^2

Hope this answers your question

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