16. (II) a) Calcule la fuerza Fm requerida por el músculo "deltoides" para mantener estirado el brazo mostrado en la figura 12-56. La

masa total del brazo es 3.3 kg. b) Calcule la magnitud de la fuer-

za F, ejercida por la articulación del hombro sobre la parte su-

perior del brazo y el ángulo (con la horizontal) en que actúa

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Carbon tetrachloride (ccl4) is ionic or convalent

Can anyone plz answer any of these. even if its one it will