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8. A particle is thrown upward with some kinetic energy. What happened to its kinetic energy at the highest point or height it reaches?

Answer»

particle is thrown UPWARD with some kinetic ENERGY then, it's velocity starts decreasing. Due to continuously decrease in velocity, Kinetic Energy also starts decreasing.We know that, K.E. = 1/2 mv²At the HIGHEST point, v = 0. So, K.E. = 1/2 m (0)²K.E. = 0Therefore, Kinetic Energy is also zero.At the highest point, Kinetic Energy becomes zero and Kinetic Energy CONVERTS into Potential Energy.



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