Calculate the P.E of an object of mass 50kg raised to a height of 4m above the ground. If the object falls down, what is the K.E when it has fallen through 2m? What is the velocity of the object when it just touches the ground? Please don't spam.

Calculate the P.E of an object of mass 50kg raised to a height of 4m a

1.	Calculate the P.E of an object of mass 50kg raised to a height of 4m above the ground. If the object falls down, what is the K.E when it has fallen through 2m? What is the velocity of the object when it just touches the ground? Please don't spam.
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Calculate the P.E of an object of mass 50kg raised to a height of 4m above the ground. If the object falls down, what is the K.E when it has fallen through 2m? What is the velocity of the object when it just touches the ground? Please don't spam.​

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Calculate the P.E of an object of mass 50kg raised to a height of 4m above the ground. If the object falls down, what is the K.E when it has fallen through 2m? What is the velocity of the object when it just touches the ground? Please don't spam.