If you find that a substance turns litmus paper to blue and contains hydroxide ions, it is most likely a. a base. b. water. c. an acid. d. a salt.

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?