Question
I post this early ; but didn't understand the answer..
a 3-kg object falls from a height of 10m to the ground. The work done by air resistance ia 20 J. What is the kinetic energy of the object as it hits the ground..
a 3-kg object falls from a height of 10m to the ground. The work done by air resistance ia 20 J. What is the kinetic energy of the object as it hits the ground..
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