Write 2 differences between pleasant and unpleasant sound. give an examples for each

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?