Hi, what do you want to do?
Physics Aviary
Physics Aviary: Practice Problems: Ice Bucket Challenge
Students must calculate the maximum and minimum speeds for a bucket whirled in a vertical circle.
Physics Aviary
Physics Aviary: Practice Problems: Ice Bucket Challenge Level 1
Students must calculate the maximum and minimum speeds for a bucket whirled in a vertical circle.
Khan Academy
Khan Academy: What Is Newton's Second Law?
Learn about the fact that forces cause acceleration in this article about Newton's Second Law. Includes examples and worked examples of problems.
Boston University
Boston University: Inclined Plane
In this problem, a box is released from rest at the top of a 30-degree ramp. The box slides down the ramp, dropping a vertical distance of 1.5 m to the floor. How long does it take to reach the floor? Neglect friction. Includes...