Question

Test # 5 Verion A 3 A simple pendulum has a period of 3 seconds on earth surface. Find the leng d the pendulum? (Take g as 9.8 m/s) 4 A spring-mass system undergoes simplie hamonic motion bettween tw maimum position and the displacement is defined by x- A Cos ( whene A is the amplitude of oscillation and is the angular frequency E Euibum Postion The graph above is displacement vs Energy Mark points and draw lines connecting the respective energies at various points xA,x -0 and x- +A to show the a) Potential energy at x- -A x-0 and x- +A b) Kinetic energy at x-A x-0 and x +A c) total energy at x= -A x= 0 and x = +A d (Hint: Use energy conservation) Test 2 Version A

Answer 1

Time psad T 27 TV 4K 7 1 Y 9.8 x 3 4Y L 2.234m