Specialist2025 NHT Exam 2 Section A · Q12CAS active1 mark

Velocity from dv/dx using acceleration

An object starts with an initial velocity of $4\text{ m s}^{-1}$ at time $t = 0$ seconds and moves in a straight line from a fixed point $O$ .

At time $t$ seconds its displacement is metres from and its velocity is where .

The object's velocity, in metres per second, at time $t = \log_e(10)$ is

1 mark

\sqrt{6}

6

14

196

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