Question

a mam drops 10kg from the top of a 5m ladders .what is the speed before just its hits the ground. ​

Answer 1

Answer:

When a body is dropped from a cerain height,

its intial velocity is zero.

So v²=u²+2gh

v²=2gh.

Gravity is independent of mass.

v²=2×10×5

v²=100

So v=10m/s.

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Answer 2

Answer:

Explanation:

Therefore, its speed just before it hits the ground is 10 m/s and the kinetic energy is 500J.