Question 1

The term   occurs in Bernoulli's equation in Chapter 15, with ρ being the density of a fluid and v its speed. The dimensions of this term are

Accepted Answer

A)  M−1L5T2 
B)  MLT2 
C)  ML−1T−2 
D)  M−1L9T−2 
E)  M−1L3T−2 
A)  M−1L5T2 
B)  MLT2 
C)  ML−1T−2 
D)  M−1L9T−2 
E)  M−1L3T−2

Question 2

The answer to a question is [MLT−1]. The question is "What are the dimensions of

Accepted Answer

A)  mr?" 
B)  mvr?" 
C)  ma?" 
D)  mat?" 
E) 
  ?" 
A)  mr?" 
B)  mvr?" 
C)  ma?" 
D)  mat?" 
E) 
  ?"

Question 3

John and Linda are arguing about the definition of density. John says the density of an object is proportional to its mass. Linda says the object's mass is proportional to its density and to its volume. Which one, if either, is correct?

Accepted Answer

A)  They are both wrong. 
B)  John is correct, but Linda is wrong. 
C)  John is wrong, but Linda is correct. 
D)  They are both correct. 
E)  They are free to redefine density as they wish. 
A)  They are both wrong. 
B)  John is correct, but Linda is wrong. 
C)  John is wrong, but Linda is correct. 
D)  They are both correct. 
E)  They are free to redefine density as they wish.

Question 4

The quantity with the same units as force times time, Ft, with dimensions MLT−1 is

Accepted Answer

A)  mv 
B)  mvr 
C)  mv2r 
D)  ma 
E) 
  
A)  mv 
B)  mvr 
C)  mv2r 
D)  ma 
E)

Question 5

A standard exam page is 8.5 inches by 11 inches. An exam that is 2.0 mm thick has a volume of

Accepted Answer

A)  1.9 × 104 mm3. 
B)  4.7 × 104 mm3. 
C)  1.2 × 105 mm3. 
D)  3.1 × 105 mm3. 
E)  3.1 × 103 mm3. 
A)  1.9 × 104 mm3. 
B)  4.7 × 104 mm3. 
C)  1.2 × 105 mm3. 
D)  3.1 × 105 mm3. 
E)  3.1 × 103 mm3.

Exam 1: Physics and Measurement

The term occurs in Bernoulli's equation in Chapter 15, with ρ being the density of a fluid and v its speed. The dimensions of this term are

The answer to a question is [MLT−1]. The question is "What are the dimensions of

John and Linda are arguing about the definition of density. John says the density of an object is proportional to its mass. Linda says the object's mass is proportional to its density and to its volume. Which one, if either, is correct?

The quantity with the same units as force times time, Ft, with dimensions MLT−1 is

A standard exam page is 8.5 inches by 11 inches. An exam that is 2.0 mm thick has a volume of

Motion in One Dimension

Vectors

Motion in Two Dimensions

The Laws of Motion

Circular Motion and Other Applications of Newtons Laws

Energy of a System

Conservation of Energy

Linear Momentum and Collisions

Rotation of a Rigid Object About a Fixed Axis

Angular Momentum

Static Equilibrium and Elasticity

Universal Gravitation

Fluid Mechanics

Oscillatory Motion

Wave Motion

Superposition and Standing Waves

Temperature

The First Law of Thermodynamics

The Kinetic Theory of Gases

Heat Engines, Entropy, and the Second Law of Thermodynamics

Electric Fields

Gausss Law

Electric Potential

Capacitance and Dielectrics

Current and Resistance

Direct-Current Circuits

Magnetic Fields

Sources of the Magnetic Field

Faradays Law

Inductance

Alternating-Current Circuits

Electromagnetic Waves

The Nature of Light and the Principles of Ray Optics

Image Formation

Wave Optics

Diffraction Patterns and Polarization

Relativity

Introduction to Quantum Physics

Quantum Mechanics

Atomic Physics

Molecules and Solids

Nuclear Structure

Particle Physics and Cosmology

Filters

The answer to a question is [MLT−¹]. The question is "What are the dimensions of

The quantity with the same units as force times time, Ft, with dimensions MLT−¹ is