Question

Q 4) Solve the following examples(4)
1)A kangaroo can jump 2.5 m
vertically.what must be the initial velocity
of the Kangaroo ?​

Answer 1

Answer:

o ms inital velocity of kangaroo

Answer 2

Answer:

Maximum height reached by Kangaroo H=2.62

Final velocity at the maximum height v=0

Acceleration due to gravity g=−9.8 m/s

2

(minus sign for downward direction)

Using v

2

−u

2

=2gH

∴ 0−u

2

=2(−9.8)(2.62)

⟹ u=

2(9.8)(2.62)

=7.17 m/s