What is the period of a water wave if 4.0
complete waves pass a fixed point in 10. seconds?
(1) 0.25 s (3) 2.5 s
(2) 0.40 s (4) 4.0 s

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?