Question

An object of mass 40 kg is raised to a height of 5 metre above the ground what is the potential of the object is allowed to fall find it kinetic energy when it is Halfway down

Answer 1

POTENTIAL ENERGY = m*g*h
                                     = 40 * 10 * 5
                                     = 200 J
WHEN IT IS HALF WAY DOWN -
KINETIC ENERGY = 1/2 * m * v²
                            
v² - u² = 2 * g * h
v² - 0 = 2 * 10 * 2.5
v² = 50
v =7.07106781187

BRAINLIEST PLEASEEEEEEE

Answer 2

_/\_Hello mate__here is your answer--

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Given:-

m = 40 kg

g = 9.8 m/s^2

h = 5 m

We know that,

potential energy = mgh

= 40 × 9.8 × 5 J

= 1960 J

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♦♦The total mechanical energy (Kinetic and potential energy) of an object remains constant. (law of conservation of energy)

Therefore, when the object is half-way down, its potential energy become half the original energy and remaining half converted into kinetic energy.

Hence, the kinetic energy = ½ (1960) J = 980 J

I hope, this will help you.☺

Thank you______❤

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