Two tall buildings are 30 m apart. The speed with which a ball must be thrown horizontally from a window 150 m above the ground in one building so that it enters a window 27.5 m from the ground in the other building is: (Take g=9.8msec−2

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

2ms−1

6ms−1

4ms−1

8ms−1

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Horizontal projection from heightR=2Hg⋅u30=2×122.59.8u30=5×uu=6ms−1

Watch 3-min video & get full concept clarity