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SEAMO 2017 — Paper E — Grade 9–10 Question 7

SEAMO · SEAMO 2017 — Paper E — Grade 9–10

Question 7

Neha skates from $A$ at $8\,\mathrm{m/s}$ along a ray making $60^\circ$ with $AB$. Harsha starts from $B$ simultaneously at $7\,\mathrm{m/s}$. In the figure $AB=100\,\mathrm m$. Find the shortest distance Harsha travels before meeting Neha.

Question illustration
  1. 135 $\mathrm m$
  2. 140 $\mathrm m$
  3. 150 $\mathrm m$
  4. 155 $\mathrm m$
  5. 160 $\mathrm m$