a 1 0kg mass hangs attached to a spring of length 50 cm the

Last updated: 6/25/2023

a 1 0kg mass hangs attached to a spring of length 50 cm the spring stretches by 2 cm The mass is pulled down until the length of the spring becomes 60 cm What is the amount of elastic energy stored in the spring in this condition if g 10 m s 1 1 5 Joule 2 2 0 Joule 3 2 5 Joule 4 3 0 Joule A 10 kg block is pulled in the vertical plane along a frictionless surface in the form of an arc of a circle of radius 10 m The applied force is of 200 N as shown in figure If the block had started from rest at A the velocity at B would be