2. 1D Motion / Kinematics

A car maintains a constant velocity of $120\mathrm{km}/h$ for $10s$. What is the acceleration of the car during this time?

The average acceleration vector must point in the same direction as which of the following vectors?

When an object speeds up in the direction of its velocity ($v$), what type of acceleration does it experience?

A car traveling at an initial velocity of $v=20m/s$ comes to a stop in $t=4s$ after the brakes are applied. What is the magnitude of the car's acceleration $a_x$ during this time?

If blood is accelerated from rest to a speed of $30.0cm/s$ in $0.200s$, what is the magnitude of its acceleration?

Which of the following best describes the physical quantity defined as the rate at which velocity changes with respect to time? (i.e., $\frac{\partial v}{\partial t}$)

If an object starts from rest and moves with constant acceleration $a$, what is its velocity $v$ after time $t$?

A truck increases its velocity from $10m/s$ to $30m/s$ in $5s$. What is the acceleration of the truck?

A plane starts from rest and accelerates uniformly at acceleration $a$. What is the distance $d_{first1}$ traveled by the plane in the first second of its run?

A particle moves along a straight line so that its velocity as a function of time is given by $v=3.0t+2.0$, where $v$ is in meters per second and $t$ is in seconds. What is the instantaneous acceleration $a$ of the particle at $t=45.0$ s?

If an object's velocity as a function of time is given by $v=3t-2$ (in $m/s$), the acceleration of the object at time $t=0.7$ $s$ is most nearly equal to which of the following?

If the $v$ is changing over time but in a constant and predictable way, then __________.

What happens to the motion of an object when its velocity is $v>0$ and its acceleration is $a<0$?

Which of the following best describes the difference between $\mathrm{speed}$ and $\mathrm{acceleration}$?

Which of the following objects has zero $a$?