Chapter-3 Kinematics in Two Dimensions

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Presentation transcript:

Chapter-3 Kinematics in Two Dimensions

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.

3.4. Relative Velocity

3.4. Relative Velocity Escalator ride at a mall

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

Passenger walking toward the front of a moving train

Boat Ride

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

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.

Vector Diagram

The physics of raindrops falling on car’s rear window

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?