Hey can anybody tell me why my eyes water and burn when i go to stores i thoight that it was the cold air conditioner in stores that caused that but today i msde my house really cold using ac and my eyes didnt burn or water as much so im thinking might it be an allergy to the air conditioner in the im really confused

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

How do you know how many valence electrons an atom has?