For U(x)=−3x2+0.50x3U(x) = $$-3x^2$$ + $$0.50x^3 J$$, what is the force at x=2.0x = 2.0 m?

10. Conservation of Energy - 2! 2부

10. Conservation of Energy / Forces from Potential Energy Functions using Calculus / 문제 10

문제 10

For $U (x) = - 3 x^{2} + 0.50 x^{3}$ J, what is the force at $x equals 2.0$ m?

$12.0$ N

$negative 6.0$ N

$3.0$ N

$6.0$ N