Question: A particle is moving under the influence of a force given by 𝐹 = 𝑘𝑥, where 𝑘 is a constant and 𝑥 is the distance moved. The energy (in joule )gained by the particle in moving from 𝑥 = 0 𝑡𝑜 𝑥 = 3 𝑖s
(A) 2 𝑘
(B) 3.5 𝑘
(C) 4.5 𝑘
(D) 9 𝑘
Answer: Option (C)
Solution:
