Question

Please give me the solution of no. 3

Answer 1

Answer:

Step-by-step explanation:

V1 = 30 Km/h  =  8.33 m/s

V2 = 33.6 Km/h  =  9.33 m/s

V3 = 37.2 Km/h  =   10.33 m/s

t = 2sec.

1)   a1  =  (V2 - V1)/t                                     2)  a2  =  (V3 - V2)/t

          =  (9.33 - 8.33)/2                                          =  (10.33 - 9.33)/2

          =   1/2                                                             =   1/2

          =   0.5 m/s^2                                                =   0.5 m/s^2

Therefore, acceleration of vehicle is 0.5 m/s^2  and as a1 = a2, so, the acceleration is UNIFORM.

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