Lesson: Drag and Terminal Velocity
In this lesson, we will learn how to calculate the drag force acting on objects moving at various speeds through various fluids.
Sample Question Videos
Worksheet: 16 Questions • 2 Videos
A spherical bacterium has a radius of m and its density is kg/m3. The bacterium’s drag coefficient is 0.450. The bacterium falls through water of density kg/m3. What is the terminal velocity of the bacterium?
Find the speed of the skydiver when the parachute opens.
Find the distance fallen before the parachute opens.
Find the terminal velocity after the parachute opens.
Find the time the skydiver is in the air after the parachute opens.
What is his initial acceleration?
What is the subsequent average resistance force from the water during the 5.00 s it takes him to reach his top velocity of 2.50 m/s?