2. 1D Motion / Kinematics

If the graphs of the velocity functions of two particles are shown as straight lines with different slopes, where $t$ is measured in seconds, what does the difference in slopes of the velocity-time graphs represent?

A car's motion is represented on a $v-t$ graph with four labeled instants: $A$, $B$, $C$, and $D$. At which labeled instant is the speed of the car greatest?

Which $v-t$ graph best represents a bicyclist pedaling away from an observer at a constant speed?

Given a $v$-$t$ (velocity-time) graph with four trials, each showing the velocity $v$ of an object as a function of time $t$, during which trial or trials is the object's velocity not constant?

Which of the following $v-t$ graphs represents an object with constant nonzero acceleration?

On a $v-t$ graph, which part of the graph represents the object moving at a constant velocity?

Given a $v-t$ graph for a motorcycle where speedometer readings are recorded every $12$ seconds, what does the slope of the graph represent?

Suppose two rockets, Rocket A and Rocket B, have velocity-time graphs given by $v_A=2t+5$ and $v_B=7t-3$ respectively, where $t$ is in seconds and velocity is in m/s. At what time(s) do the rockets have the same velocity?

If a car has a negative displacement ($\mathrm{\Delta x}<0$) over a certain time interval, which of the following statements must be true about its motion during that interval?

Given a $v-t$ graph with points labeled $1$ through $5$, rank the speeds of these points from fastest to slowest.

FIGURE EX2.8 showed the velocity graph of blood in the aorta. What is the blood's acceleration during each phase of the motion, speeding up and slowing down?

Figure 2–42 shows the velocity of a train as a function of time. During what periods, if any, was the velocity constant?

$Which\; of\; the\; following\mathrm{velocity}-\mathrm{time}graphs\; represents\; an\; object\; with\; constant\mathrm{acceleration}?$

Given a velocity-time graph $v\left(t\right)$ for a world-class track sprinter in a 100-m race, which of the following statements is correct about the sprinter's acceleration during the race?

Given a velocity-time graph where the velocity at time $t=0$ is $5$ m/s, what is the initial velocity of the object in m/s?