Question

In the figure shown, two balls are thrown
horizontally with the speeds as shown. The
separation between the buildings is 60 m.
The minimum speed u required for the two
balls to collide in mid air is (g = 10 m/s2)
10 ms"
K-***
45 m
--------
60 m
(1) 20 ms-1
(2) 10 ms-1
(3) 30 ms-1
(4) 15 ms-1​

Answer 1

In the figure shown, two balls are thrown

horizontally with the speeds as shown. The

separation between the buildings is 60 m.

The minimum speed u required for the two

balls to collide in mid air is (g = 10 m/s2)

10 ms"

K-***

45 m

--------

60 m

(3) 30 ms-1

Answer 2

30 ms-1 mate :) in science book