Answer:
(i) , (ii) , (iii)
Explanation:
(i) and represent the points where particle has a velocity of zero and spring reach maximum deformation, Given the absence of non-conservative force and by the Principle of Energy Conservation, the position where particle is at maximum speed is average of both extreme positions:
(ii) Maximum accelerations is reached at and .
(iii) Greatest net forces exerted on the particle are reached at and .
<span>12-50t=70t, t= 0.1h = 6 minutes.</span>
Answer:
momentum=mass x velocity= 10 x 2 = 20kgm/s