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A 7 kg particle is in a potential given by U(x) = 3 x^4 - 1 x^2 - 4 x + 8 (J). Calculate the acceleration of the particle when it is at x = 1 m, in m/s².

(Please answer to the fourth decimal place - i.e 14.3225)

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Homework Q.1
What is the potential difference V(r) – V(0) for r < a (i.e., where r is inside the insulating sphere, and V(0) is the potential at the origin)?
ANSWER 1 AND 5 ONLY