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3.) Stacting from rest, at t=o,. for lo secs a from there on continues to travel...

3.) Stacting from rest, at t=o,. for lo secs a from there on continues to travel at constant velocity. whats the aug. velcxit

3.) Stacting from rest, at t=o,. for lo secs a from there on continues to travel at constant velocity. whats the aug. velcxity of the car beteken t=l &t=15see Cas accelenates at Smls?
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Solution) u = 0

a = 5 m/s^2

t = 10 s

V = u + at = 0 + 5×10 = 50 m/s

V = 50 m/s

Vavg = ?

Vavg = (V1 + V2)/2

V1 = a(t1)

t1 = 4 s

V1 = 5×4 = 20 m/s

After 10 seconds it's velocity is constant

V2 = V = 50 m/s

Vavg = (V1 + V2)/(2)

Vavg = (20 + 50)/(2)

Vavg = 35 m/s

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3.) Stacting from rest, at t=o,. for lo secs a from there on continues to travel...
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