Question

PLS ANSWER THIS QUESTIONS

Answer 1

pics are not

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Answer 2

Answer:

Explanation:

x³ = 8t

∴ 3x² dx/dt = 8

dx/dt = 8/3x²

At t = 8 s

x³ = 64 ⇒x = 4 m

∴ v = dx/dt | at x = 4

= 8/(3x 16)

= 1/6 m/s

a = d²x/dt² = (-ve)

∴ v = u + at. [∵ u = 0)

= -at

∴ v is negative

∴ v = -1/6