7407/2 Physics Jun 2017 Quiz | AQA AS Level MCQ
AQA
AS Level
Physics (7407)
شهریور
2017
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
35 دقیقه

پیش نمایش صفحه اول فایل
A mass m is added to a vertical spring that is initially unextended, as shown in Diagram 1.
The mass is then lowered until it hangs stationary on the spring, as shown in Diagram 2.
The extension of the spring is now ΔL.
How much energy is transferred from the mass–spring system?