Assume the equation x = at3 + 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.)

A = LT⁻³

B = LT⁻¹

Explanation:

x = At³ +Bt

According to dimensional formula law , Physical quantity having similar dimension can only be added or subtracted.

so dimension of x = dimension of At³

L = AT³

A = LT⁻³

So , dimension of A =  LT⁻³

again,

dimension of x = dimension of Bt

L= BT

B = LT⁻¹

answer: b.

explanation:

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.