The forum discussion focuses on calculating the kinetic energy of a 6 kg mass subjected to an 80 N horizontal force over a distance of 5 m in 0.92 seconds. The work done on the mass is calculated as 400 J, while the kinetic energy at the end of the motion is determined to be approximately 354.442 J, confirming that the kinetic energy does not exceed the work done. Participants discuss the relationship between kinetic energy and time, concluding that kinetic energy increases with the square of time due to constant acceleration, and they provide methods for plotting kinetic energy against both time and distance using equations derived from Newton's laws.
PREREQUISITESStudents studying physics, particularly those focusing on mechanics, as well as educators seeking to enhance their understanding of kinetic energy and motion dynamics.
If you know Fi and you need Ff, and you have enough other information, then fersure. Always use what you know.When calculating the total energy used in acceleration do i need to calculate the Fi to find Ff and then use Ff in the W=fxs equation please help