Matter and Materials Quiz (2) Physics AS Level
CIE
AS & A Level
Physics (9702)
فروردین
2010
شامل مباحث:
Chapter 7: Matter and materials
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه

پیش نمایش صفحه اول فایل
Two trolleys are held together on a horizontal surface with a compressed spring between them.
When they are released, the trolleys lose contact with the spring. The trolley of mass 2 kg moves to the left at a final speed of $2m{s^{ - 1}}$.
How much elastic potential energy was stored in the spring?