A man lifts a 20.0 kg bucket of concrete from the ground up to the top of a 30.0 m tall building. The bucket is initially at rest but is travelling at 4.0 m/s when it reaches the top of the building. How much work was done by the man in lifting the bucket/

Drag each tile to the correct box. tiles bra i sequence

When using the scientist method, which step comes last?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe