PreparED Study Materials
Notes
Study Guides
Videos
Squirrel's Fall: Velocity and Deceleration Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Analyze the physics of a falling squirrel, calculating its velocity upon hitting the ground and the deceleration due to limb bending.
Kinetic Energy: Saturn 5 & Apollo at 11.2 km/s Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to calculate the kinetic energy of a Saturn 5 rocket with an Apollo spacecraft attached using physics principles and formulas. Understand the importance of unit conversion and the work-energy theorem as you plug values into the KE = 1/2 mv² formula. Discover that the kinetic energy for this rocket and spacecraft combo is an astonishing 1.82 x 10¹³ Joules.
Lunar Lander Descent: Initial and Final Velocities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Join us on an exciting lunar adventure as we explore the descent of a lunar lander towards the moon's surface. We'll unravel the physics behind its journey using the equation y(t) = b - ct + dt^2, and answer questions about the lander's initial and final velocities. Get ready to explore the dynamics of space exploration and lunar landings in this informative video!
Principal Axes and Moments in Rotational Symmetry
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unravel the mysteries of rotational symmetry and principal axes in this video. We prove the relationships between the axis of symmetry and principal axes, showcasing the equal principal moments. Join us for an exploration of the fundamental concepts of rigid body dynamics.
Identifying Base Quantities in the SI System
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the fundamental base quantities of the SI system and test your knowledge with a quiz to identify which one is not considered a base quantity. Is it mass, length, energy, time, or are they all base quantities? Join us to find out!
Athlete's Power: Watts in a 5m Rope Climb
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the physics behind an athlete's rope climb. Understand the relationship between power, force, and time, and how to calculate the minimum power output an athlete exerts. Witness the interplay of physics principles in evaluating athletic prowess.
