Question

A bullet travelling horizontally loses 1/20th of its velocity

Answer 1

Answer:

The question seems incomplete.

But here is a solution of such sort of question ➡️

⛦Hҽɾҽ ɿʂ ү๏υɾ Aɳʂฬҽɾ⚑

▬▬▬▬▬▬▬▬▬▬▬▬☟

➧ No. of planks

➾ n² / 2n - 1

➧ Where n is loss in velocity.

➧ There your answer will not consume time as time is marks in such exam,

➾ 20² / 2 × 20 - 1

➾ 10.25

➾ 11 planks ...✔

#Hope it helps ✌