Physics Physics Practice Problems Solutions Library

# Dimensional Analysis Solutions Library

Access 10 Dimensional Analysis video and text solutions to help you complete your homework.

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10 solutions

Dimensional Analysis

#### Q. Physical quantities are generally not purely numerical: They have a particular dimension or combination of dimensions associated with them. Thus, y...

Solved • May 27, 2020

Dimensional Analysis

#### Q. What are the dimensions of density, which is mass per volume?

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. The speed v of an object is given by the equation v = At 3 - Bt, where t refers to time.(a) What are the dimensions of A and B?(b) What are the SI ...

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. Three students derive the following equations in which x refers to distance traveled, v the speed, a the acceleration (m/s2), t the time, and the s...

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. Which of the following equations are dimensionally correct? (a) vf = vi + ax (b) y = (2 m) cos (kx) where k = 2 m-1

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. Kinetic energy K has dimensions kg•m2/s2. It can be written in terms of the momentum p and mass m as K = p2/(2m).(a) Determine the proper units for...

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. Newton’s law of universal gravitation is represented by F = GMm/r 2 where F is the magnitude of the gravitational force exerted by one small object...

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. The position of a particle moving under uniform acceleration is some function of time and the acceleration. Suppose we write this position as x = k...

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. (a) 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 o...

Solved • Oct 29, 2018

Dimensional Analysis

#### Q. Answer each question yes or no. Must two quantities have the same dimensions (a) if you are adding them? (b) If you are multiplying them? (c) If yo...

Solved • Oct 29, 2018