A 0.42 kg mass is initially at rest is free to move with negligible friction alo
ID: 1902350 • Letter: A
Question
A 0.42 kg mass is initially at rest is free to move with negligible friction along the x-axis. the figure below shows he value of an applied force as a function of time.calculate the Kinetic energy K of the mass when it reaches 8s. The answer is in J.A 0.42 kg mass is initially at rest is free to move with negligible friction along the x-axis. the figure above shows he value of an applied force as a function of time.calculate the Kinetic energy K of the mass when it reaches 8s. The answer is in J.
A 0.42 kg mass is initially at rest is free to move with negligible friction along the x-axis. the figure below shows he value of an applied force as a function of time.calculate the Kinetic energy K of the mass when it reaches 8s. The answer is in J.A 0.42 kg mass is initially at rest is free to move with negligible friction along the x-axis. the figure above shows he value of an applied force as a function of time.calculate the Kinetic energy K of the mass when it reaches 8s. The answer is in J.Explanation / Answer
v^2-u^2=2as=2*a*1/2*a*t^2=(at)^2 => change in kinetic energy = 1/2m*(Ft)^2 hence K.E after 8 secs = 1/2*1/0.42*(17)^2=60.69 J
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