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Understanding Velocity and Acceleration in Skydiving and Rocket Science

This informative piece explores the concepts of velocity and acceleration, specifically focusing on a skydiver's free fall and the dynamics of rocket launches. It outlines how a skydiver's velocity changes every second, provides equations to calculate velocity and acceleration, and describes the forces acting on a skydiver. The text also includes examples of acceleration in different contexts, such as cars and baseballs, and addresses the time it takes for a rocket to reach high velocities, reinforcing the principles involved in these intriguing phenomena.

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Understanding Velocity and Acceleration in Skydiving and Rocket Science

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Presentation Transcript

  1. Acceleration- The change in velocity due to a force

  2. A SKYDIVER JUMPS OUT OF A PLANE… • Describe the skydivers velocity in every second of her fall towards earth.

  3. Velocity vs Acceleration Vf-Vi D A Tf - Ti T V

  4. Write the three equations for velocity and the three equations for acceleration • Velocity: Acceleration:

  5. What words might be used to identify each type of information? • Distance – How Far, Meters • Speed – at a rate of, going, what speed, how fast • Time – how long, seconds • Acceleration – sped up, • Change in velocity – from 0-60mph, increased speed • Change in time – in the first 5 seconds, for 3 seconds.

  6. Graph the Skydiver

  7. Expand on this idea • Acceleration is a Result of a FORCE • Force- a push or pull that acts on an object. • What force acts on a skydiver?

  8. Acceleration Units • The Units in Acceleration is or • Acceleration = or - the change in velocity, every second

  9. Acceleration of a Car. • A car accelerates from 0 – 60 m/s in 8 seconds. What is it’s acceleration?

  10. Acceleration of a baseball. • A baseball being hit by a MLB player accelerates at 140m/s/s. How fast is it going after the first 0.01 seconds?

  11. Rocket Science. • How long does it take a rocketship to reach a velocity of 3,300 m/s if it accelerates at 10m/s/s?

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