Question

. On each side of the ground, having the area 30 m x 21 m, the boys are standing
at an equal distance of 3m. Which of the following statements is true?
(Select two correct options.)
(1) 6 boys are standing on each width of the ground.
(2) 11 boys are standing on each length of the ground.
(3) Total 36 boys are there on the ground.
(4) Total 34 boys are there on the ground.​

Answer 1

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11th

Physics

Motion in a Plane

Relative Motion in 2 Dimension

Two boys are standing at th...

Physics

Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity v

1

. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is

Medium

Video Explanation

Solution To Question ID 466846

Answer

Open in answr app

Correct option is

B

v

2

−v

1

2

a

2

If boy A catches boy B in time t,

⟹(vt)

2

=(v

1

t)

2

+a

2

⟹t

2

=

v

2

−v

1

2

a

2

⟹t=

v

2

−v

1

2

a