Recent content by yrsnkd

1. A boy is seated on the top of a hemispherical mound of ice with radius R. He is given a very small push and starts sliding down the ice. At what height does he leave the ice if the ice is frictionless? 2. Conservation of Mechanical Energy: U1 + K1 = U2 + K2; also gravitational energy...

1. A 2kg bucket of water is attached to a 1.5m long string and swung in a vertical circle with a constant speed of 12 m/s. What is the minimum speed the bucket can be swung at while still retaining the water. 2. The bucket has a maximum tension force on the string at the bottom, with 212 N...