hai quả vầu có điện tích lần lượt là q1=2nC q2=-6nC đặt cách nhau 3cm trong chân không. Tính và biểu diễn lực tương tác giữa 2 điện tích đó

Write a question about how changing temperature affects the gas inside the sports ball

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?