9702/11 Physics May Jun 2024 Online Test| Cambridge AS & A Level Grade MCQ
Cambridge
AS & A Level
Physics (9702)
شهریور
2024
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
Two balls X and Y are moving towards each other with speeds of $5m{s^{ - 1}}$ and $15m{s^{ - 1}}$ respectively.
They make a perfectly elastic head-on collision and ball Y moves to the right with a speed of $7m{s^{ - 1}}$.
What is the speed and direction of ball X after the collision?