A ball is dropped from a high rise platform at t = 0 starting from rest. After 6 seconds, another ball is thrown downwards from the same platform with a speed v. The two balls meet after 18 seconds. What is the value of v?

   Question:  From NCERT  | NEET 2010   || [Difficult level:Medium]  || 

A ball is dropped from a high rise platform at t = 0 starting from rest. After 6 seconds, another ball is thrown downwards from the same platform with a speed v. The two balls meet after 18 seconds. What is the value of v?

1. 75 ms-1

2. 55 ms-1

3. 40 ms-1

4. 60 ms-2_

:1. 75 ms-1 .

.....

NCERT Reference

XI Physics page number 48

.

✅