If a metal wire carries a current of 80.0 mA, how long does it take for 3.00 x 10^20 electrons to pass a given cross-sectional area of the wire?(its number 3)

The four giant gas points that are made primarily of lightweight elements are

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .