An object is placed to the left of a converging lens. which of the following statements are true, and which are false?

the image is always to the right of the lens.
the image can be upright or inverted.
the image is always smaller or the same size as the object.

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

(a) assume the equation x = at^3 + bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. determine the dimensions of the constants a and b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.) (b) determine the dimensions of the derivative dx/dt = 3at^2 + b. (use the following as necessary: l and t, where l is the unit of length and t is the unit of time.)

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?