What is the kinetic energy of a 25 kg object moving at a velocity of 5 m/s?

Kinetic energy = 312.5  joules

Explanation:

Kinetic energy is the energy an object possess due to it motion. Kinetic energy is the work done in accelerating an object. kinetic energy is usually dependent on the mass and the velocity of the body. Energy is a scalar quantity . It has magnitude and no direction.

Mathematically, kinetic energy can be represented as ;

kinetic energy = 1/2 × mass × velocity²

kinetic energy = 1/2 × M × v²

The mass of the body = 25 kg

The velocity of the body = 5 m/s

Kinetic energy = 1/2mv²

Kinetic energy = 1/2 × 25 × 5²

Kinetic energy = 1/2 ×25 × 25

Kinetic energy = 625/2

Kinetic energy = 312.5  joules

a.   mass number from atomic number

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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