Question

From a certain height two bodies are simultaneously projected horizontally in opposite
directions, with velocities of 1 ms' and 4 ms' respectively


47. The time taken for the velocity vectors of the two bodies to become perpendicular to
each other is
(A) 0.1 s
(B) 0.2 s
(C) 0.4 s
(D) 0.8 s
​

Answer 1

Answer:

the time taken for the velocity vectors of the two bodies will be 0.2 seconds