Which are true about the proton? A. It alone determines the mass of the atom.

B. It is located in the nucleus of the atom

C. It alone determines the identity of the atom as an element on the periodic table.

D. It alone, determines the overall charge of the atom.

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

What is the relationship between the direction of motion of the balloon and the wind currents