DP Physics (last assessment 2024)

Test builder »

Question 18M.3.HL.TZ1.b.i

Select a Test
Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.HL.TZ1.b.i
Level HL Paper 3 Time zone TZ1
Command term Determine Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
18M.3.HL.TZ1.b.i

The graph below represents the variation with time t of the horizontal displacement x of a mass attached to a vertical spring.

M18/4/PHYSI/HP3/ENG/TZ1/11

The total mass for the oscillating system is 30 kg. For this system

determine the initial energy.

[1]

Markscheme

E «= 1 2  × 30 × π2 × 0.82» = 95 «J»

 

Allow initial amplitude between 0.77 to 0.80, giving range between: 88 to 95 J.

[1 mark]