PreparED Study Materials
Notes
Videos
Spacecraft Speed Change in 1 Week with 0.09-N Thrust
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the impact of a 0.09-N thrust engine on a 480 kg spacecraft's speed during 1 week of maximum power operation. Uncover the assumptions involved in this space physics scenario.
Gravitational Force on the Sun: Earth's Seasonal Variations
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing interplay of Earth's elliptical orbit, the changing seasons, and the gravitational forces it exerts on the Sun. We'll provide insights into the ratio of these forces and challenge you to consider multiple perspectives on this celestial phenomenon.
Projectile Motion: Calculating Horizontal and Vertical Distances
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Dive into the world of projectile motion as we calculate the horizontal and vertical distances a launched projectile covers. Explore the impact of angle and speed on the trajectory, all explained in this engaging video.
Comparing Single-Pane and Double-Pane Heat Loss Ratios
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the world of thermal insulation and heat loss in this video. We compare single-pane and double-pane windows, calculating the heat loss ratio. Delve into the fascinating science of heat transfer and insulation factors. Join us to uncover the secrets behind energy-efficient windows.
Orbit Altitude: Astronauts Above Planet's Surface
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Embark on a celestial journey! In this video, we calculate the altitude above a distant planet's surface where a starship orbits. Discover how astronauts experience reduced free-fall acceleration and the fascinating dynamics of space travel.
Sandal's Velocity Relative to Ship and Shore Observer
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intriguing physics of a sandal dropped from a moving ship and learn how to calculate its velocity relative to the ship and a stationary observer on shore.
