The mechanical advantage ( MA ) of a wheel and axle is found by dividing the radius of the wheel by the radius of the axle. Which type of wheel and axle has the greatest mechanical advantage?

Which planet do you think would be easiest for humans to colonize some day?

Mixing salt in water is an example of physical change

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space.a. zerob. πc. π/2d. not determinable by the information provided