What is a sentence for absolute strength?

Which feature indicates that mars resides in the inner region of the solar system

(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.)

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader