Question

Please answer 50 points and brainliest

Answer 1

HEY MATE HERE IS YOUR ANSWER

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The relative velocity of B with respect to A is perpendicular to the line of motion of A. 
Va cos 300= VA
VB = 200 m/s
And time t0 = (Relative distance) / (Relative velocity)
= 500/Va sin 300
= 5 sec

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Answer 2

$\huge\mathfrak\red{Answer:-}$

5 seconds

Step-by-step explanation: -

The relative velocity of B with respect to A is perpendicular to the line of motion of A.  

Va cos 300= VA

VB = 200 m/s  and time t0 = Relative distance/Relative velocity

= 500/Va sin 300

= 5 seconds