0

Guest

Courses New

a bullet losses (1/nth) of its velocity passing through one plank. The number of such planks that are required to stop the bullet can be?

a bullet losses (1/nth) of its velocity passing through one plank. The number of such planks that are required to stop the bullet can be?

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Before plank the velocity is V .
after first collision (n-1)/n * V
after this it will be ((n-1)/n)2 V.....

and it will go on .

Use infinite series formula and you will get the answer.

Think You Can Provide A Better Answer ?

Other Related Questions on IIT JEE Entrance Exam

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More