Aliyahh5988
28.01.2021 •
Physics
An object initially has kinetic energy of 90 joules and potential energy of 30 joules. A force is applied
and the final kinetic energy is 75 joules and final potential energy of 50 joules.
Calculate the initial total mechanical energy
Calculate the final total mechanical energy
Determine the amount of work done on the system
Which of the following statements is true
Total Mechanical Energy increased
Total Mechanical Energy decreased
Total Mechanical Energy was conserved.
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Ответ:
Step-by-step explanation:
After 4 years the age of father is twice as old as his son . 5 years before the father age was 1 year more than triple age of his son.