2. 1D Motion / Kinematics

Which of the following best describes the difference between $speed$ and $average speed$?

Which of the following does $v$ describe?

A wave travels an average distance of $6m$ in $1s$. What is the wave's average velocity?

Corey Kluber throws a fastball at $93$ miles per hour. What is the speed of his fastball in feet per second?

Which of the following best describes the difference between $v\_\mathrm{avg}$ (average speed) and $v\_\mathrm{inst}$ (instantaneous speed)?

Mikael runs with a constant speed of $3m/s$ for $45s$. How far does Mikael run?

An object's average speed is found by dividing the total distance the object travels by the total $t$ what?

What is the average velocity of a cheetah that ran $100$ meters in $5.95$ seconds?

Which formula can be used to calculate the average speed $v$ for steady motions?

A runner completes a $5$-mile race in $10$ minutes. What was her average speed?

Which of the following gives the correct formula for calculating speed?

Beginning from a signpost, you run 60m to the right, then 60m back. The entire trip takes 24 seconds. What is your speed and velocity for the whole trip?

You walk to the right at 3m/s for 8s, then turn around and walk backwards at 2m/s for some unknown time. You end up 16m to the right from where you started. How long did you walk backwards?

If you are driving 85 km/h along a straight road and you look to the side for 2.0 s, how far do you travel during this inattentive period?