Question

. A bird sitting on the rear end of a bus. The bus is moving with a uniform velocity 10m/s. The bird starts flying with an acceleration of horizontally. The time taken by if to cross the entire length of bus is ____s. [length of bus is 9m]

Answer 1

Explanation:

Correct option is

C

300 m

Relative velocity between trains: 600mkh

−1

Time taken for crash is:

t=

v

d

=

600

6

=

100

1

hours=36s

Velocity of bird =30kmh

−1

=30∗

18

5

ms

−1

Distance traveled by bird is =30∗

18

5

∗36=300m

Hence option C is the answer.

Answer 2

Answer: . A bird sitting on the rear end of a bus. The bus is moving with a uniform velocity 10m/s. The bird starts flying with an acceleration of horizontally. The time taken by if to cross the entire length of bus is ____s. [length of bus is 9m]

Explanation: