Spend time observing or thinking about events that involve matter and energy. which events can you explain? which event's can't you explain?

Why don't you see your reflection in water with waves or repples

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above