Matter and Materials Quiz (1) Physics AS Level
CIE
AS & A Level
Physics (9702)
فروردین
2010
شامل مباحث:
Chapter 7: Matter and materials
تعداد سوالات: 21
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه

پیش نمایش صفحه اول فایل
An unstretched spring has a length of 2.0 cm.
The spring is then stretched within its limit of proportionality by a tensile force of 1.5 N so that the elastic potential energy stored in the spring is 0.045 J.
What is the stretched length of the spring?