Physics 9702 · AS & A Level · Equations of motion

Equations of motion — practice question

An insect launches upwards with an initial vertical velocity of $1.0\,\text{m s}^{-1}$ and attains a greatest height of $3.5 \times 10^{-2}\,\text{m}$. If the deceleration is constant, what is the magnitude of the deceleration?

  • A$3.6\,\text{m s}^{-2}$
  • B$9.8\,\text{m s}^{-2}$
  • C$14\,\text{m s}^{-2}$
  • D$29\,\text{m s}^{-2}$

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