SUMMARY
The forum discussion revolves around a kinematics problem involving a motorcycle stunt rider attempting to leap across a 30m wide river from a 100m long ramp. The rider accelerates from rest and takes off at a speed of 20 m/s at an angle determined by the ramp's height of 20m. Key calculations include determining the maximum height reached, the time of flight, and the horizontal distance traveled. The correct maximum height above the river banks is 20.8 meters, and the time to land on the opposite bank is calculated using kinematic equations.
PREREQUISITES
- Understanding of kinematic equations, specifically s = ut + 1/2 at²
- Knowledge of projectile motion and vector decomposition
- Familiarity with trigonometric functions, particularly sine and inverse sine
- Ability to solve quadratic equations
NEXT STEPS
- Learn how to resolve vectors in projectile motion scenarios
- Study the application of kinematic equations in vertical and horizontal motion
- Explore the concept of maximum height in projectile motion
- Practice solving problems involving quadratic equations in physics
USEFUL FOR
Students studying physics, particularly those focusing on kinematics and projectile motion, as well as educators looking for examples of real-world applications of these concepts.
