Question

`Find velocity of B with respect to ground
(1) u/2(2) u/4(3) u/6(4) u/8
​

Answer 1

Answer:

6u^2/a

Explanation:

Let both will meet at point B

x=2ut+1/2at

2

x=ut+

2

1

(2a)t

2

So 2ut+

2

1

at

2

=ut+at

2

ut=

2

1

at

2

⇒t=

a

2u

So x=2u(

a

2u

)+

2

1

a(

a

2u

)

2

=

a

6u

2