Question

From the following diagram calculate ➡​

Answer 1

a) we know

a = dv/dt

= 30/8 = 15/4 = 3.75 m/s^2

b) a(r) = - dv/dt

= - 3.75m/s^2

Total acceleration = 0

While

maximum acceleration = 3.75 m/s^2

c) x(0 to 8) = v.dt = area under graph

= 1/2 x 30 x 8 = 120 m

d) Total distance = 2.120 = 240 m

Answer 2

Answer:

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