2. 1D Motion / Kinematics

Intro to Acceleration

Multiple Choice
An object is moving at $30 m / s$ and takes $5 s$ to come to a stop. What is the object's acceleration?
Multiple Choice
In introductory kinematics, acceleration is defined as the rate of change of velocity. Acceleration depends on which two factors?
Multiple Choice
In introductory kinematics, which quantity is defined as the rate at which velocity changes with time?
Multiple Choice
A car accelerates uniformly from rest with a constant acceleration $a$ . Which equation gives the velocity $v$ of the car after time $t$ ?
Multiple Choice
In introductory kinematics, which quantity is defined as the rate at which velocity changes over time?
Multiple Choice
Which of the following gives the correct formula for acceleration in terms of change in velocity $Δ v$ and time interval $Δ t$ ?
Multiple Choice
Which of the following best describes constant acceleration?
Multiple Choice
In one-dimensional motion with constant acceleration, an object’s velocity changes from $v_{i}$ to $v_{f}$ over a time interval $Δ t$ . Which expression gives the magnitude of the acceleration?
Multiple Choice
Which of the following best describes the difference between the speed of an object and the acceleration of an object?
Multiple Choice
A cyclist accelerates from $0 m / s$ to $8 m / s$ in $3 s$ . What is his acceleration?
Multiple Choice
In the context of motion along a straight line, what does a negative $a$ indicate?
Multiple Choice
Which of the following represents a case in which you are not accelerating?
Multiple Choice
In a car, which control is primarily responsible for causing a change in velocity ( $a$ cceleration or $d$ eceleration)?
Multiple Choice
How does air resistance affect the acceleration of objects as they fall toward the ground?
Multiple Choice
A hockey player of mass $m$ slides on rough ice and comes to a stop from an initial speed of $v_{0}$ over a distance $d$ . What is the magnitude of her acceleration on the rough ice?