Question

If the final velocity is o m/s, retardation is 1 m/s square, time taken 5 second. Find its initial velocity???

Answer 1

Answer:

5m/s

Step-by-step explanation:

v-u/t

so it's given

v=0,t=5,a=-1(retardation)

Answer 2

Answer:

initial velocity(u)=5m/s

Step-by-step explanation:

• we have the first equation of motion= v=u+at,
• retardation=1m/s², (a)= -1 m/s²
• final velocity,v=0m/s
• now by putting these values in equation, we get,
• 0=u+(-1)(5)
• -u = -5
• u=5m/s(Ans.)

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