1. Chapter-3 Kinematics in Two Dimensions

2. Football Kickoff
A place-kicker kicks a football at an angle of 400 above the horizon with a speed of 22 m/s. Find the maximum height H, range R, and the hang time.

3. 3.4. Relative Velocity

4. 3.4. Relative Velocity
Escalator ride at a mall

5. Refueling of Fighter Planes
During midair refueling, the relative velocity of the two planes is zero.

6. Passenger walking toward the front of a moving train

7. Boat Ride

8. Boat Ride
A boat with its engine turned off is carried along by the current.

9. Boat Ride
A boat with its engine turned off is carried along by the current.
With the engine turned on, the boat moves across the river in a diagonal fashion.

10. Vector Diagram

11. The physics of raindrops falling on car’s rear window

12. Problem 48
Two cars, A and B, are traveling in the same direction, although car A is 186 m behind car B. The speed of A is 24.4 m/s, and the speed of B is 18.6 m/s. How much time does it take for A to catch B?