Question

An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. If the object is released from rest after it is lifted, what is its kinetic energy just before it hits the floor? What is its velocity? Show your work and units.
Ke = (1/2) m v^2 = m g h = .55*9.81*3.5 joules

v = sqrt (2 g h) - sqrt (9.81*3.5) m/s

Related Questions

An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much... Two objects were lifted by a machine. One object had a mas of 2 kilograms, and was lifted at a speed... Quick check What is the effect of using this inclined plane? The object can be lifted with less...